Number Systems – 1 – 2

6. Indicate which of the following three binary additions are correct ?

    I. 1011 + 1010 = 10101
   II. 1010 + 1101 = 10111
   III. 1010 + 1101 = 11111

(a) I and II
(b) II and III
(c) III only
(d) II and III

ANSWER

EXPLANATION

7. The radix of a Octal system is :

(a) 2
(b) 8
(c) 10
(d) 
16

ANSWER

EXPLANATION

8. The digit F in Hexadecimal system is equivalent to ……… in decimal system.

(a) 13
(b) 14
(c) 15
(d) 17

ANSWER

EXPLANATION

9. Numbers are stored and transmitted inside a computer in :

(a) Alphanumeric form
(b) Binary form
(c) ASCII code form
(d) 
Decimal form

ANSWER

EXPLANATION

10. Solution of (11001)– (10001)2 is :

(a) 10000
(b) 01000
(c) 00100
(d) 00001

ANSWER

EXPLANATION

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