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Understanding Computers Part 2

Quiz by Test pupil1

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20 questions
Show answers
  • Q1
    A single binary digit is known as
    A character
    A byte
    A bit
    An integer
    60s
  • Q2
    How many bits in a byte?
    2
    4
    8
    100
  • Q3
    How many bytes in a Kilobyte (Kb)?
    1,048,576
    1,024
    1,000
    1,000,000
  • Q4
    What number system do computers use?
    Binary
    ASCII
    Denary
    Decimal
  • Q5
    How many different binary codes can be represented in 2 bits?
    8
    2
    16
    4
  • Q6
    How many different binary codes can be represented in 1 byte?
    128
    256
    2
    8
  • Q7
    The binary number 1010, converted to denary (decimal) is
    10
    2
    18
    3
  • Q8
    The binary number 0001 0001, converted to denary (decimal) is:
    3
    10,001
    17
    101
  • Q9
    The binary number 00110011, converted to denary (decimal) is:
    51
    33
    99
    4
  • Q10
    The binary number 0000 1001, multiplied by 2 is
    0001 0010
    0000 0100
    0000 1010
    0001 0011
  • Q11
    The binary number 0011 0100, divided by 4 is
    0001 1010
    0001 0100
    1101 0000
    0000 1101
  • Q12
    The binary number 0011 0100, added to 0001 0010 is
    0010 0000
    0111 0110
    0010 0110
    0100 0110
  • Q13
    How many bits would be needed to represent 64 characters?
    8
    64
    7
    6
  • Q14
    How many different characters can be represented in 8 bits?
    64
    256
    128
    1024
  • Q15
    ASCII is:
    a type of computer
    a code for representing characters in binary
    a method of translating from denary to binary
    a programming language

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