1) what is binary? a) base 10 number system b) base 2 number system c) base 5 number system 2) what is one example of internal hardware? a) keyboard b) the apps on the computer c) motherboard 3) what is software? a) the inside parts of the computer you can touch b) the apps on the computer c) any part of the computer that you can touch 4) what is the difference between ROM and RAM? a) RAM only keeps the data that you save yourself and ROM stores data until device is switched off b) RAM saves everything automaticaly and ROM stores stuff you save 5) what does RAM stand for? a) Random Access Memeory b) Read And Memorise c) Reload Access Memory 6) what is ROM? a) Revise Only Me b) Read Only Memory c) Remember Only Memory 7) what happens on RAM when device is switched off? a) everything saves b) everything deletes c) everything is shared on you social media 8) what is input? a) when an outside device sends a signal into the computer  b) when the computer sends a signal out to an outside device  c) when the user speaks into the microphone 9) what is output? a) when the microphone is used from the computer b) when the computer sends a signal out to an outside device c) when an outside device sends a signal into the computer 10) which is the output out of the three? a) keyboard b) mouse c) moniter 11) which is the input out of the three? a) moniter b) printer c) keyboard 12) what is a CPU? a) the part of the computer that processes all the instructions b) the part of the computer that holds everything in place c) a useless component of the computer 13) what is a hard drive? a) this is what stores the data permanently b) this is also known as RAM c) this is what organises the computer 14) what does CPU stand for? a) christmas puddings undertaken b) Crane purpose understood  c) central processing unit 15) what is a flowchart? a) a set of instructions that help with our daily lives b) a pretty picture c) a set of instructions the doctors use for a medical prosedure 16) what is binary? a) a code that the computer uses instead of our number system b) the technical word for our number system c) a part of a computer 17) what is denary? a) a number system us humans use b) a code the computers use to understand us c) a software application 18) what are the headings for the binary convertions? a) 1,2,3,4,5,6,7,8 b) 2,4,6,8,10,12,14,16, c) 1,2,4,8,16,32,64 19) how do you convert denary to binary? a) you use the headings and add them up according to where the ones and zeros are b) you divide the number into the headings and place the ones and zeros according to where the headings are 20) how do you convert binary to denary? a) you divide the number into the headings and place the ones and zeros according to where the headings are b) you use the headings and add them up according to where the ones and zeros are 21) what is meant by a character set? a) all the characters on a keyboard b) the characters available to a computer c) assigns binary code to text 22) which of these character sets allows the largest number of different characters? a) ASCII b) extended ASCII c) unicode 23) which character set can represent english text using the least storage space? a) ASCII b) extended ASCII c) unicode 24) which character set can represent emojis a) ASCII b) extended ASCII c) unicode 25) 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 unautharised parties can access it c) the process of encoding data in such a way that only autharised parties can access it 26) which of these is not a method of encryption a) the caesar cipher b) the atbash cipher c) the sherlock cipher 27) which method of encryption uses a key where the letters of the alphabet are reversed? a) the caeser cipher b) the atbash cipher c) the affine cipher 28) who was alan turing a) the british pioneer in computer science b) the man who wrote the enigma code c) a soldier in the second world war 29) 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

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