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Year 7 Computing Revision Questions with Answers

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Year 7 Computing Revision Questions with Answers What does CPU stand for? - Ans -Central processing unit What does RAM stand for? - Ans -Random access memory What was the name of the first computer invented? - Ans -Colossus When was Colossus invented? - Ans -During the second world war Why was Colossus i

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Institution
Computing
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Year 7 Computing Revision Questions
with Answers
What does CPU stand for? - Ans -Central processing unit



What does RAM stand for? - Ans -Random access memory



What was the name of the first computer invented? - Ans -Colossus



When was Colossus invented? - Ans -During the second world war



Why was Colossus invented? - Ans -To decipher (decode) German messages



What is the definition of a computer? - Ans -An electrical device that can receive,
store, process and present data



What is 12 in binary? - Ans -1100



What is 6 in binary? - Ans -110



What is 9 in binary? - Ans -1001



What is 11 in binary? - Ans -1011



What is 1000 in decimal? - Ans -8
1
Page

, What is 1111 in decimal? - Ans -15



What are computer chips made up of? - Ans -Transistors



Why are transistors like switches? - Ans -Because they are either on or off



What does Moore's law state? - Ans -That every two years the same computer could
be half its original size (or the same size but twice as powerful)



Can you name the six basic core components of a computer? - Ans -CPU, RAM,
graphics card, motherboard, power supply unit, hard drive



What does PSU stand for? - Ans -Power supply unit



What are the non-core components of a computer called? - Ans -The peripherals



Give some examples of non-core computer components? - Ans -Keyboard, mouse,
monitor



Give an example of some input devices - Ans -Microphone, keyboard, mouse,
webcam



What do input devices do? - Ans -They receive data (have data input into them)
2




What do output devices do? - Ans -They present data
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