Top 10 Expensive Watches

most expensive watches10Breguet & Fils, No. 2667 Precision Stop Watch – $4.7 million

This gold and platinum stopwatch sold for a mere 5000 francs in 1814, but was purchased for almost $4.6 million at auction in 2012.

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9. Hublot Big – $5 million

Hublot’s Big watch contains 1282 diamonds in total, including more than 100 carats of baguette diamonds and 6 emerald-cut diamonds weighing more than 3 carats each. Beyoncé purchased this watch for Jay-Z as a birthday present in 2012.

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8. Vacheron Constantin 57260 – $8 million

Including 57 complications, 2826 individual components, and 242 jewels, Vacheron Constantin’s 57260 watch is a technological and artistic feat. This watch took 8 years to design and create, and is estimated to have been commissioned for $8 million for a private client.

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7. Patek Philippe Ref. 1518 – $11.1 million

In late 2016, the stainless steel-cased Patek Philippe ref. 1518 sold at auction for just over $11 million. Patek Philippe produced the 1518 model in 1941, making it the first perpetual calendar chronograph wristwatch every produced in a series.

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6. Jacob & Co. Billionaire Watch – $18 million

The Billionaire Watch contains 260 carats of emerald-cut diamonds, 167 individual components, and 19 jewels. The bracelet and watch face are one seamless construction made in 18K white gold.

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5. Patek Philippe Supercomplication – $24 million

This gold pocket watch was created in 1933 by Patek Philippe for banker Henry Graves Jr. The watch took 5 years to design and build and features 24 complications, including a perpetual calendar, sunrise and sunset times, and a celestial calendar from Graves’ apartment on Fifth Avenue in New York.


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4. Chopard 201-Carat Watch – $25 million

This stunning watch contains 874 diamonds, totaling 201 carats, in an array of colors. The center of the Chopard watch is comprised of three heart-shaped diamond in yellow, pink, and blue.

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3. Breguet No. 160 – $30 million

The original version of this watch was allegedly commissioned for Marie Antoinette by one of her lovers. Abraham-Louis Breguet began working on the watch in 1782, and Marie Antoinette was exuceted before its completion in 1827 by Breguet’s son. The watch included every known complication at the time, including a thermometer, chime, and perpetual calendar. The watch was on display at the L.A. Mayer Museum in Jerusalem until it was stolen in 1983. The watch was eventually recovered and is still on display at the Mayer museum today.

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2.  Graff Diamonds The Fascination – $40 million

Known for their luxurious diamond jewelry items, Graff Diamonds created The Fascination watch, which contains 152.96 carats of diamond with a center diamond that is a 38.14-carat D Flawless pear shape. The center diamond detaches into a ring that can be worn separately.


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1. Graff Diamonds Hallucination – $55 million

Unveiled at the Baselword watch and jewelry fair, this unprecedented watch is made up of 110 carats of diamonds. Diamonds of all colors, including Fancy Pink, Fancy Yellow, Fancy Green, and Fancy Blue, and cuts, including emerald, heart, pear, marquise, and round, are combined to create this spectacular timepiece.

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stealth aircraft

welcome to my blog

stealth plane

Stealth aircraft are designed to avoid detection using a variety of technologies that reduce reflection/emission of radar, infrared, visible light, radio-frequency  spectrum, and audio, collecatively known as stealth technology. Development of stealth technology likely began in  Germany during World War II with the prototype Horten Ho 229 as the first stealth aircraft. Well-known modern examples of stealth of U.S. aircraft include the United States’ F-117 Nighthawk (1981–2008), the B-2 Spirit, the F-22 Raptor,[ and the F-35 Lightning II


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While no aircraft is totally invisible to radar, stealth aircraft make it more difficult for conventional radar to detect or track the aircraft effectively, increasing the odds of an aircraft successfully avoiding detection by enemy radar and/or avoiding being successfully targeted by radar guided weapons. Stealth is the combination of passive low observable (LO) features and active emitters such as low-probability-of-intercept radars, radios and laser designator. These are usually combined with active measures such as carefully planning all mission maneuvers in order to minimize the aircraft’s radar cross section, since common actions such as hard turns or opening bomb bay doors can more than double an otherwise stealthy aircraft’s radar return. It is accomplished by using a complex design philosophy to reduce the ability of an opponent’s sensors to detect, track, or attack the stealth aircraft. This philosophy also takes into account the heat, sound, and other emissions of the aircraft as these can also be used to locate it.

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full-size stealth combat aircraft demonstrators have been flown by the United States (in 1977), Russia (in 2010) and China (in 2011).[8] As of March 2017, the United States Armed Force utilize three models of dedicated, manned stealth aircraft and the Chinese Air force operates one, with a number of other countries developing their own designs. There are also various aircraft with reduced detecability, either unintentionally or as a secondary feature.

The best games console


With a console market that’s busier than ever it’s a good but confusing time to be a gamer. Mid-generation upgrades and technological advancements have meant that not only do you have a choice of PlayStation, Xbox and Nintendo, you now have to make more decisions within each brand too. 

There are a few things to consider now before you buy a console: do you need or want 4K? Which one has the best exclusives? Do you want something you can play on the go? What’s your budget? 

It’s hard enough to buy for yourself, but if you’re buying for someone else this Christmas it’s even worse.

To help make things a little less complicated, we’ve compiled this guide to the latest consoles on the market this Christmas and weighed up their most notable pros and cons. We’ve also provided links to our other hubs of information in case you want to dive even deeper with your research. 

PlayStation: the affordable all-rounder

PlayStation 4

The brilliantly basic

Dimensions: 11 x 10 x 1.5 inch(W x L x H) | GPU: 1.84 TFLOPS, AMD Radeon™ based graphics engine | RAM: 8 GB of GDDR5 | Max Resolution: 1080p | Optical Drive: DVD/Blu-ray | Storage: 500GB or 1TB (expandable)

Great exclusive games
VR support
No 4K
Poor backwards compatibility

Available in standard or slim versions, the PS4 is the baseline console offering from Sony. 

Since it launched 4 years ago, the PlayStation 4 has been a firm fan favorite, boasting incredible sales figures. 

The console’s single biggest strength is its exclusive games – in world of increasingly service-based online titles, PlayStation continues to push narrative-driven single-player titles such as Uncharted, The Last Guardian, Horizon Zero Dawn, and The Last of Us. 

It’s also the only console at the moment that offers access to virtual reality experiences (though you will have to purchase the PlayStation VR headset separately if you want to take advantage of this capability).

If you’re interested in the new 4K resolution everyone’s talking about, you won’t find that here. While even the budget Xbox One S offers 4K upscaling, the base PS4 is resolutely 1080p. PlayStation also isn’t great when it comes to backwards compatibility so if you’re hoping you’ll be able to play your old PlayStation 3 library with ease, you won’t.

If you’re looking to enter the latest console generation in the most affordable way possible and you like what games PlayStation has to offer then this is the console to go for. 

Buy this if you want: the latest generation games but don’t need 4K, you want PlayStation exclusive games, console VR, and a console for under £250/$250.

Key reads: Make sure you check out our full PlayStation 4 review and our picks of the best PS4 games. Think it’s the console for you? These are the best PS4 deals you can get right now. 


PlayStation 4 Pro

The cheapest way to native 4K

Dimensions: 12.8 x 11.6 x 2.1 inch (W x L x H) | GPU: 4.20 TFLOPS, AMD Radeon™ based graphics engine | RAM: 8 GB of GDDR5, 1 GB DDR3 | Max Resolution: 2160p | Optical Drive: DVD/Blu-ray | Storage: 1TB (expandable)

Everything good about the PlayStation 4
Native and upscaled 4K
A more affordable 4K option
No need for a new game library
No 4K Blu-ray support
Not the most powerful 4K console at the moment

Anything the PlayStation 4 can do, the PlayStation 4 Pro can do slightly better. If you’re invested in the 4K resolution revolution and HDR makes you hot under the collar, this is the Sony console for you. 


The PlayStation 4 Pro plays all the same games as the standard PlayStation 4, so if you’re upgrading you won’t have to start your library afresh and you won’t need to pay any more for new 4K games either. You may, however, see an improvement in how they look and perform compared to the standard PS4. 


The PlayStation 4 Pro is the most powerful console in the PlayStation lineup at the moment, capable of outputting native and upscaled 4K in games that have been patched to make that possible. Even games that haven’t been specifically patched can make something of this console’s greater power – you’ll find images look a little sharper and games will overall run more smoothly thanks to the PS4 Pro’s Boost Mode. 


Like the standard PS4, this console has an excellent library of games and some fantastic exclusives as well as Playstation VR support. 


Though it’s capable, it’s not every game that will output native 4K on the PS4 Pro – many of them will be upscaled as the console just doesn’t have quite the degree of power required to maintain native 4K resolution and run a large game with consistent frame rates. 


The PS4 Pro also has the same problem as the PS4 in that there isn’t good backwards compatibility for previous console generations. There’s also no built-in Ultra HD Blu-ray player so if you’re looking for a console that will play your physical 4K media, this isn’t the one. It will, however, still play standard Blu-rays and DVDs, and can stream in 4K from compatible services. 


If you don’t have a 4K HDR TV and super sharp visuals aren’t something that will drastically improve your enjoyment of a game then this console might not actually be worth the extra cash you’ll splash on it, particularly if you already own a standard PS4 console. 

If you are coming into the new console generation for the first time and a 4K HDR TV is something you’re seriously considering purchasing, then the Pro will at the very least future-proof you.

Buy this if you want: Native 4K and HDR gaming, PlayStation exclusives, VR gaming, native 4K for under £350/$400.

Key reads: Check out our full PS4 Pro review as well as our list of the best games for the console. Think you might make the jump to 4K? These are the best PS4 Pro deals at the moment. 


Xbox One: the multimedia monster


Xbox One S

The affordable media center

Dimensions: 11.6 x 8.9 x 2.5 inch (W x L x H) | GPU: 917 MHz, AMD Radeon™ based graphics engine | RAM: 8 GB of GDDR3 | Max Resolution: 1080p (max 2160p for video) | Optical Drive: 4K/HDR Blu-ray | Storage: 500GB, 1TB or 2TB

Very affordable console
4K Blu-ray player
Upscaled 4K gaming
Excellent backwards compatibility
Not many great first-party exclusives
Upscaling isn’t very refined

Looking for an entry level console but not interested in what PlayStation has to offer? Why not look at Microsoft’s Xbox One S. This console has superseded the original Xbox One for many reasons – it has a much smaller and sleeker design, and it’s just that little bit more powerful.


Something this console can do that the standard PS4 console can’t is upscaled 4K. The Xbox One S’s 4K capabilities aren’t at the same level as the PS4 Pro or Xbox One X as the 1080p images are largely just stretched to fit a 4K screen without any clever checkerboarding but this rudimentary upscaling is reasonably impressive in a console with price starting from only £170/$190. 


To make up for a lack of good exclusives, Xbox consoles do have much better backwards compatibility capabilities than PlayStation consoles. On Xbox One S you’ll be able to purchase and play original Xbox and Xbox 360 titles, many of which have become key classics. 


If you ever owned an older Xbox console and you still have the games from that, or you really want to catch up on a bunch of excellent titles you missed out on then the Xbox One S is a great way to do this. 


An area where Xbox completely outstrips PlayStation is overall home entertainment – while both consoles are able to stream from a variety of entertainment apps like Netflix and Amazon, the Xbox also has a 4K Blu-ray player built in. 


This is a feature Sony was criticized for not having in the PlayStation 4 Pro, so if you have a large physical Ultra HD Blu-ray collection and it’s important to you that you’re able to play it then the Xbox One S will definitely win your favor here. If you’ve been thinking about picking up an Ultra HD Blu-ray player anyway, then this console is one of the cheapest ways to do so. 


One issue Xbox has compared to PlayStation is exclusive games. Where PlayStation has quite a robust collection of exclusives, Xbox is somewhat lacking. Franchises such as Halo, Gears of War and Forza might call this platform home, but their critical reception hasn’t quite hit the heights of Horizon: Zero Dawn and Uncharted. 


Though it does offer upscaled 4K, the Xbox One S’s upscaling method is far less intelligent than the checkerboard method used by the PlayStation 4 Pro so if you’re looking for a truly polished 4K experience, it’s best to splash the extra cash on the PlayStation 4 Pro or the next Xbox console in our round up. 


Buy this if you want: Affordable but upscaled 4K, an Ultra HD Blu-ray player, excellent backwards compatibility, a console for under £250/$250.

Key reads: Make sure you read our full Xbox One S review as well as our picks of the best Xbox One games to see what you could be playing. Think this is the console for you? These are the best Xbox One S deals right now.


Xbox One X

The future-proofed power box

Dimensions: 11.8 x 9.5 x 2.4 inch(W x L x H) | GPU: 6 TFLOPS, AMD Radeon™ based graphics engine | RAM: 12 GB of GDDR5 | Max Resolution: 2160p | Optical Drive: 4K/HDR Blu-ray | Storage: 1TB

Most powerful console on the market
Native and upscaled 4K
4K Blu-ray player
Excellent backwards compatibility
Most expensive console
Small internal hard drive for size of 4K assets
Lack of exclusives

If power is the be all and end all for you, then you won’t find a more powerful console than the brand new Xbox One X. Do bear in mind, though, that you also won’t find a more expensive console either. 

The Xbox One X is Microsoft’s answer to Sony’s PS4 Pro and it’s safe to say it’s a pretty good one. Just like the PS4 Pro this console outputs native and upscaled 4K as well as HDR on games that have been patched to support this. But because of its much better specs the Xbox One X offers native 4K on many more games than the PS4 Pro. If you’re looking for the best 4K gaming experience possible on a console, the Xbox One X should be your choice.


Like the Xbox One S, this console has excellent backwards compatibility support as well as a built-in Ultra HD Blu-ray player for your physical media collection. 


However, also like the Xbox One S, it suffers from a lack of console exclusives that really show what it can do. 


It’s also the most expensive console on the market by a large amount. As a result, if you don’t have the AV set up to do it justice it’s hard to justify paying quite so much, particularly as the library of exclusive games is rather thin at the moment.


Something also worth noting is that you may find you have to purchase a sold-separately external hard drive for this console. While its 1TB of built-in storage seems like a lot, 4K game files are large and it’ll quickly fill up. 

Buy this if you want: Native 4K and HDR support, Ultra HD Blu-ray player, future-proofed gaming, the highest specs around.

Key reads: Read our full Xbox One X review to dig into the details and peruse our list of games that take advantage of the console’s power. Think the king of consoles is the one for you? These are the best Xbox One X deals right now. 


Nintendo: the portable paragon


Nintendo Switch

The versatile newbie

Dimensions: 4 x 9.5 x 5.4 inch(W x L x H) with Joy-Cons | GPU: 768MHz (docked)/307.2MHz (undocked) Nvidia custom Tegra SOC | RAM: 4 GB | Max Resolution: docked 720p, undocked 1080p | Optical Drive: None | Storage: 32GB (expandable) | Portable battery life: approx 3 hours

Portable and home console
Great first-party exclusives
Not as powerful as other home consoles
Less extensive third-party game selection
Still no fully-fledged online service

The Nintendo Switch is the new kid on the console block and it’s proving itself to be very popular. 

This is the most unique option on the market at the moment as you can use it both as a handheld and home TV console. 


It’s still in its early stages, but on the Switch you’ll find a quickly growing library of games that’s the most diverse offering from Nintendo in years. If there’s one thing Nintendo can do it’s produce exclusives that will shift hardware.


It doesn’t have nearly the same power as the standard PlayStation 4 and Xbox consoles and it certainly won’t play games in 4K or support HDR (in fact its screen is a pretty low-res 720p) so if you’re looking for a console that will win the spec wars you won’t find it here.


You’re also less likely to find the latest and greatest third-party games on this console. While it now has titles such as Doom, Skyrim and LA Noire, many of these have been available on other platforms for months, if not years. 




soler cap

                                                                                                                   solaer cap

what is a solae cap ?

Save Energy, no batteries required. Suitable for: traveling, fishing, climbing, playing golf, gathering at plaza, or watching drama, watching ball game and other outdoor activities. Can be individually adjusted to different head sizes. use the sun’s energy to keep you cool and fresh on hot days. Solar fan capneeds no charging.
what is the use of it?
Solar Caps are manufactured using excellent quality raw material with latest technologies. When you go in sunlight wearing SOLAR CAP solar panel fitted on top of cap will drive solar fan, and you will get cool air on your face, and you feel cooling. Solar cap works in all seasons when it is under sunlight.
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SolarCap-. Solar Caps are manufactured using excellent quality raw material with latest technologies. When you go in sunlight wearing SOLAR CAP solar panel fitted on top of cap will drive solar fan, and you will get cool air on your face, and you feel cooling. Solar cap works in all seasons when it is under sunlight.

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1. Find out about the exam

  • How much is the exam worth to your overall mark in the subject?
  • What type of exam is it (for example, multiple choice, essay, open book, take-home)?
  • Will there be a choice of questions or tasks?
  • How much will each question or task be worth?
2. Ask for help
Don’t feel bad if you need to ask for help. People you can talk to about exams include: 
  • teachers
  • lecturers
  • family members
  • friends and fellow students. 
If you’re feeling really stressed you might also find it helpful to speak to a counsellor. Our Student counselling page has tips for finding a counsellor.
3. Sort out your subject material
Before starting to review a subject it helps to:
  • check you have all of the handouts
  • put your notes in order
  • read over any course outline or subject guide
  • write your own summaries of each textbook chapter or section of the subject guide.
Getting all your gear together makes it easier to find what you need while you’re studying.
4. Review past exam papers
Get your hands on any old exam papers from the subject and familiarise yourself with the structure and format. Places you can get past exam papers from include:
When reviewing, practise answering the questions within the specified time limits. 
5. Know where to go
Make sure you know where and when the exam is happening. You don’t want to miss your exam! Here’s how to make sure that doesn’t happen to you.
  • Check your exam timetable for time and place details.
  • Do a practise run to find out how long it takes to get there.
  • Make a list of everything you need to take with you (for example, calculator, pencil, ruler).
  • Do some study at the same time as your exams (for example, if you have an early morning exam, practise getting up and studying earlier in the day).
6. Don’t cram
Staying up all night to cram will only stress you out. It’s better to just review what you’ve already studied and get an early night. That way you’ll be as refreshed as you can be on the day of your exam.
If you want to do some preparation the night before, keep it simple:
  • Get all your materials together.
  • Read over your notes.
  • Test yourself on key concepts.
  • Set your alarm.
7. Keep your cool
Fronting up to an exam can be nerve-wracking, but here are some tips for staying calm: 
  • Don’t talk too much to other students before the exam.
  • Try to get there with time to spare so you don’t arrive all rushed.
  • Make sure you have a decent breakfast.
  • Listen to some inspiring music on the way to the exam.
  • Wear your lucky shirt or bring a lucky charm (if you have one). 
8. Use your reading time
The way you use your reading time can really help you make the most of your exam time. Here are some ways to use your reading time well: 
  • Read all of the instructions very carefully.
  • Scan the whole exam paper. 
  • Check how many pages there are.
  • Check how much each question is worth (it helps to spend more time on heavier weighted questions).
  • Plan which questions to answer first (consider starting with questions you’re confident about).
  • Plan how much time you’ll spend on each answer or section. 
  • Start thinking about your answers.
9. Break the questions down
A great tip for any exam is to break the questions down to make sure you really understand what you’re being asked. 
Look for the key parts of the question. These can give you clues on how to answer it.
For example, for the question, “Explain the difference between study and revision”, you could split this question into four parts:
  1. Explain – Give reasons to show how or why something is the way it is.
  2. The difference – What are the distinguishing factors between study and revision?
  3. Study – What is study?
  4. Revision – What is revision?
10. Review your answers (if you can)
If you finish the exam before the time is up it’s a good idea to go back over everything, even answers you’re confident you got right. Try to:
  • review as many answers as you can
  • start with the questions you’re least confident about
  • make sure you’ve answered every question
  • make sure you’ve answered every part of every question (some questions might have multiple parts).
Come up with your own strategies
Remember – these tips are only some of the things that you can do to get the most out of your exams. There might be other things that work even better for you.
Ask around – find out what your friends do for their exams – maybe some of their tricks will work for you as well! Maybe your teachers have some good recommendations too. 
For more tips and advice about exams and studying, check out our Top ten study tips page.



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Important tips FOR EXAM

Exam Tip #1

Wake up early so that you do not need to rush through having breakfast and getting ready.

Exam Tip #2

Check the venue and time of the exam to make sure that you have not confused the day/time/venue.

Exam Tip #3

Have a balanced breakfast and eat nothing risky (probably not the best day to have a super-hot curry!). Bananas are always a good option.

from all over the world share their secrets to better academic results


Exam Tip #4

Before leaving home, check that you have everything that you will need – ID, stationery, map to the exam venue, etc.

Exam Tip #5

Head to the exam with plenty of time. A lot of unexpected events can happen on your way there and you do not want to be late!

Exam Tip #6

If there are people around who are panicking, avoid them. They are not doing you any favour!

Exam Tip #7

Go to the toilet before the exam starts. Exams can be quite long and there is no time to wast

Exam Tip #8

Remember to write your name on the exam paper. You would not believe how many people have forgotten to do it!

Exam Tip #9

Read all the questions carefully before starting and quickly plan how much time to allocate to each.

Exam Tip #10

Start answering the questions that you feel most confident about. There is no need to answer the questions in order.




An exam or examination is an official    test that shows your knowledge or ability in a particular subject. Exam is the world most commonly used. Examination is more formal and is used mainly in written English.

was told the exam was difficult.
All students must take a three-hour written examination.

When someone takes part in an exam, you say that they take it or sit it.

Many children want to take these exams.
After the third term we‘ll be sitting the exam.

Speakers of American English generally use take instead of ‘sit’.

In conversation, you can also say that someone does an exam.

I did my exams last week.

If someone is successful in an exam, you say that they pass it.

If you want a good job, you’ll have to pass your exams.

Be Careful!
To pass an exam always means to succeed in it. It does not mean to take part in it.

If someone is unsuccessful in an exam, you say that they fail it.



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Exam Tip #1

Wake up early so that you do not need to rush through having breakfast and getting ready.

Exam Tip #2

Check the venue and time of the exam to make sure that you have not confused the day/time/venue.

Exam Tip #3

Have a balanced breakfast and eat nothing risky (probably not the best day to have a super-hot curry!). Bananas are always a good option.

Exam Tip #4

Before leaving home, check that you have everything that you will need – ID, stationery, map to the exam venue, etc.

Exam Tip #5

Head to the exam with plenty of time. A lot of unexpected events can happen on your way there and you do not want to be late!

Exam Tip #6

If there are people around who are panicking, avoid them. They are not doing you any favour!

Exam Tip #7

Go to the toilet before the exam starts. Exams can be quite long and there is no time to waste.

Exam Tip #8

Remember to write your name on the exam paper. You would not believe how many people have forgotten to do it!

Exam Tip #9

Read all the questions carefully before starting and quickly plan how much time to allocate to each.

Exam Tip #10

Start answering the questions that you feel most confident about. There is no need to answer the questions in order.

Exam Tip #11

If your brain freezes, just start writing anything and you will soon start remembering more details.

Exam Tip #12

Don’t spend more time than you planned on a particular section/question or you might run out of time to answer other questions and gain those extra marks! Also,  leave any questions that you are unsure about for the end.

Exam Tip #13

Don’t be afraid to ask the examiner if you are not clear on a question.

Exam Tip #14

Use every minute of the exam and if you have time left, review your answers before handing back the paper.

Exam Tip #15

Stay calm, you have done your homework and have nothing to fear!


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The night before, and the morning of, an exam

1. Use your moments wisely

The few minutes before you switch off the light are great for memorisation. So when you’re tucked up in bed, have a quick read through of the most important facts, equations or vocabulary. Then switch off.

2. Eat a great meal

Make a special effort to cook yourself a decent meal. I’m not suggesting “brain food” such as nuts or oily fish, but a meal you’d have if you were celebrating and wanted to spoil yourself, such as steak and chocolate tart. It’ll make you feel happy and give you a boost ready for the next day.

3. Laugh

Do one fun thing like watching a comedy show, having a kickabout or fiddling around with photos on instagram. Laughing will relax you, lower stress and help you get a good night’s sleep. 

4. Make sure you wake up

Set an alarm. Set two. Get a family member or friend to check you’re up if you’re still worried. Just make sure you get to the exam in plenty of time.

5. Know when to stop  

In the morning, eat a hearty breakfast and go over your most important facts before you leave the house. Then again on the way to the exam. When you arrive at the exam hall, stop using your brain. If you don’t know your stuff by now, you never will! Too much last minute cramming minutes before, can send your brain into a spin. 

6. Use the space

When in the exam room, sit comfortably and spread out. It’s proven that when we physically make ourselves larger, by spreading our arms or leaning back on the chair, this releases a type of hormone which makes you more confident. It works – we promise.

7. Don’t drink too much

Don’t drink too much water, a sip every hour is all you need. Dehydration is not going to be a problem during the exam, but drinking many pints of water and needing a toilet break every five minutes is. The sip is just for a quick diversion to give your brain and hand a breather.

8. Do what works for you

Finally, everyone is different. Some people like to be on their own around exams, others blare motivational music from their earphones. Maybe you’re someone who likes to wear their shiniest pair of high heels for luck. Do whatever puts you in the best frame of mind and you’ll be set up perfectly to ace the exam. 

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Block Diagram

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block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. They are heavily used in engineering in hardware design, electronic design, software design, and process flow diagrams.W

What is a block diagram of a computer?

Block Diagram of Computer and its Explanation Block Diagram of Computer. Acomputer can process data, pictures, sound and graphics. They can solve highly complicated problems quickly and accurately. *InputUnit: Computers need to receive data and instruction in order to solve any problem.


As an example, a block diagram of a radio is not expected to show each and every connection and dial and switch, but the schematic diagram is. The schematic diagram of a radio does not show the width of each connection in the printed circuit board, but the layout diagram does.

To make an analogy to the map making world, a block diagram is similar to a highway map of an entire nation. The major cities (functions) are listed but the minor county roads and city streets are not. When troubleshooting, this high level map is useful in narrowing down and isolating where a problem or fault is.Block diagrams rely on the principle of the black box where the contents are hidden from view either to avoid being distracted by the details or because the details are not known. We know what goes in, we know what goes out, but we can’t see how the box does its work.

In electrical engineering, a design will often begin as a very high level block diagram, becoming more and more detailed block diagrams as the design progresses, finally ending in block diagrams detailed enough that each individual block can be easily implemented (at which point the block diagram is also a schematic diagram). This is known as top down design.Geometric shapes are often used in the diagram to aid interpretation and clarify meaning of the process or model. The geometric shapes are connected by lines to indicate association and direction/order of traversal. Each engineering discipline has their own meaning for each shape. Block diagrams are used in every discipline of engineering. They are also a valuable source of concept building and educationally beneficial in non-engineering disciplines.