1) Who is Bill Gates? a) The owner of Microsoft. b) A random person. c) A billionaire. 2) What is RAM? a) An animal. b) A car brand c) Random Access Memory 3) What is ROM? a) PC-CD ROM b) Read-Only Memory c) DVD 4) What is binary? a) A random computer language. b) A language made from 1 and 0. c) A Number System. 5) What is denary? a) A number that get calculated via the binary number system. b) A random number calculated. 6) Who was Alan Turing? a) A scientist b) A mathematician and a scientist. c) A citizen during the war. 7) What is encryption? a) A thing to keep messages private b) A random code to use c) A game 8) What is meant by a 'character set'? a) All of the characters on a keyboard b) The characters available to a computer c) Assigns binary code to text 9) Which of these character sets allows the largest number of different characters? a) ASCII b) Extended ASCII c) Unicode 10) Which character set can represent English text using the least storage space? a) ASCII b) Extended ASCII c) Unicode 11) Which character set can represent emoji's? a) ASCII b) Extended ASCII c) Unicode 12) What is meant by encryption? a) the process of decoding data in such a way that only authorised parties can access it b) the process of encoding data in such a way that only unauthorised parties can access it c) the process of encoding data in such a way that only authorised parties can access it 13) Which of these are not a method of encryption? a) The Caesar Cipher b) The Atbash Cipher c) The Sherlock Cipher 14) Which method of encryption uses a key where the letters of the alphabet are reversed? a) The Caesar Cipher b) The Atbash Cipher c) The Affine Cipher 15) Who was Alan Turing? a) A British pioneer in computer science b) The man who wrote the Enigma code c) A soldier in the second world war 16) What did Alan Turing do? a) Invented the computer b) Invented the machine that wrote the Enigma code c) Invented the machine that cracked the Enigma code

Computing Yr 8 Homework

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