1) Adding 1+1 in binary gives 11 a) Correct b) Incorrect 2) A byte is 9 binary digits a) Correct b) Incorrect 3) The number 22 in binary is10101 a) Correct b) Incorrect 4) The number 17 in binary is 10001 a) Correct b) Incorrect 5) To convert a binary number to hexadecimal, start by splitting into 2 nibbles a) Correct b) Incorrect 6) Denary is base 9 a) Correct b) Incorrect 7) The number 32 is represented by 2 to the power of 4 a) Correct b) Incorrect 8) 2 to the power of 2 is equal to 4 a) Correct b) Incorrect 9) One bit is a number between 0 and 9 a) Correct b) Incorrect 10) Hexadecimal is base 16 a) Correct b) Incorrect 11) The maximum number that can be represented by binary is 250 a) Correct b) Incorrect 12) A nibble is half a byte a) Correct b) Incorrect 13) To divide a binary number you shift each digit to the right a) Correct b) Incorrect 14) The letter D in hexadecimal is equal to 12 in denary a) Correct b) Incorrect 15) The letter A in hexadecimal is equal to 10 in denary a) Correct b) Incorrect 16) A 2 place shift to the left will ................... a) Multiply a number by 4 b) Multiply a number by 8 17) Signed integers can only be only be positive a) True b) False 18) What is the Most Significant bit? a) The rightmost bit b) The leftmost bit 19) Using two's complement you flip the bit and then add 1 a) True b) False 20) Addition using Twos' complement will always work a) True b) False 21) In an arithmetic shift ................... a) The least significant bit is copied then shifted b) The most significant bit is copied then shifted 22) An arithmetic shift left is the same as a logical shift left a) False b) True 23) Hexadecimal is used in memory addresses a) False b) True 24) The hexadecimal number A5 is equal to what in denary? a) 14 b) 15 c) 16 d) 17 25) If 2 bits are used to represent each item of information how many combinations would this be> a) 2 b) 3 c) 4 d) 5 26) How is each binary number related to its neighbour on the left a) It is half the number b) It is double the number 27) An overflow error occurs when a calculation produces a result that is bigger then the computer can deal with a) True b) False 28) Which is the correct addition of 10110100 and 10010001? a) A 11000101 b) B 01000101 c) Both A and B are correct d) Neither A or B are correct 29) Which is the result of a logical shift left 3 places on the number 01010101 a) 1010111 b) 10101000 c) 01000100 d) 10101010 30) A binary overflow means that the addition is not accruate a) True b) False

Binary Revision - Year 10

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