Data Representation GCSE CS

Other

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12 questions

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•about 7 years ago

Question 1

Multiple Choice

1 point

00110011 in Denary

A.51

B.48

C.49

D.53

Question 2

Multiple Choice

1 point

39 in Binary

A.00101000

B.00100111

C.00101001

D.00011000

Question 3

Multiple Choice

1 point

11111100 in Hex

A.FB

B.ED

C.FC

D.FD

Question 4

Multiple Choice

1 point

8D in Binary

A.10001101

B.10001011

C.00001011

D.10001100

Question 5

Multiple Choice

1 point

00011110 X 2(3) Logical shift

A.01111000

B.11110000

C.11100000

D.11110001

Question 6

Multiple Choice

1 point

00011110 / 2(2) Logical shift

A.00000111

B.00111100

C.00001111

D.00000110

Question 7

Multiple Choice

1 point

00110011 + 00111100 =

A.01111111

B.01101111

C.00111111

D.01111011

Question 8

Multiple Choice

1 point

-16 in 2's complement

A.11110000

B.11101111

C.10010000

D.11110001

Question 9

Multiple Choice

1 point

Perform arithmetic shifts on 100110011 x 2(2)

A.111001100

B.011001100

C.110011000

D.011001111

Question 10

Multiple Choice

1 point

How do you calculate the size of the following sound file? sample rate = 44,100; bit depth = 24; duration = 5 minutes and number of channels = 2

A.44100 x 24 x 5 x 2 = sound file size in bits

B.44100 x 24 x 300 x 2 = sound file size in bytes

C.44100 x 24 x 5 x 2 = sound file size in KB's

D.44100 x 24 x 300 x 2 = sound file size in bits

Question 11

Multiple Choice

1 point

How many colours can be stored if the colour depth was 1 byte?

A.16000

B.256

C.128

D.64000

Question 12

Multiple Choice

1 point

if the function CHR(100)returned the value of 'd' what would the CHR(108)

A.l

B.k

C.m

D.o