Number Systems – 1 – 4

16. A gigabyte represents :

(a) 1 kilo bytes
(b) 1 million bytes
(c) 1 billion bytes
(d) 
1 trillion bytes

ANSWER

EXPLANATION

17. The radix of a Hexadecimal system is :

(a) 2
(b) 8
(c) 10
(d) 
16

ANSWER

EXPLANATION

18. 11001, 1001 and 111001 correspond to the 2’s complement representation of the following set of numbers :

(a) 25, 9 and 57 respectively
(b) 6,6 and 6 respectively
(c) 7,7 and 7 respectively
(d) 25,9 and 57 respectively

ANSWER

EXPLANATION

19. The value of base x is :

     (211)x = (152)8

(a) 5
(b) 6
(c) 7
(d) 8

ANSWER

EXPLANATION

20. What does a decimal number represents ?

(a) Quality
(b) Quantity
(c) Position
(d) 
None of the above

ANSWER

EXPLANATION

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