|
1
|
We generally uses the ___________
|
|||
|
|
(a)
Positional number system
|
(b)
Non Postional Number System
|
||
|
|
(c)
Both
|
(d)
none of above
|
||
|
2
|
Most of the modern computer uses
_________ number system.
|
|||
|
|
(a) Binary
|
(b)
Hexa Decimal
|
||
|
|
(c)
Octal
|
(d)
Decimal
|
||
|
3
|
What is the binary equivalent of the decimal number 368
|
|||
|
|
(a)
110110000
|
(b)
111100000
|
||
|
|
(c) 101110000
|
(c)
111110000
|
||
|
4
|
The decimal equivalent of hex number 1A53 is
|
|||
|
|
(a)
6793
|
(b) 6739
|
||
|
|
(c)
6973
|
(d)
6379
|
||
|
5
|
( 734)8
= ( )16
|
|||
|
|
(a) 26
|
(b)
36
|
||
|
|
(c)
48
|
(d)
123
|
||
|
6
|
1’s complement representation of decimal number of -17 by using
8 bit representation is
|
|||
|
|
a) 1110 1110
|
b)
1101 1101
|
||
|
|
c)
1100 1100
|
d)
0001 0001
|
||
|
7
|
The hexadecimal number for (95.5)10
is
|
|||
|
|
(a)
)5F.8
|
(b) 9A.B
|
||
|
|
(c) )2E.F
|
(d) 5A.4
|
||
|
8
|
The
octal equivalent of ( )247 10
is
|
|||
|
|
(a)
367
|
(b) 252
|
||
|
|
(c) 350
|
(d) 400
|
||
|
9
|
The number 140 in octal is equivalent to
|
|||
|
|
(a)
96
|
(b) 86
|
||
|
|
(c) 90
|
(d) none
|
||
|
10
|
Convert decimal 153 to octal. Equivalent in octal will be
|
|||
|
|
(a)
231
|
(b) 331
|
||
|
|
(c) 431
|
(d) none
|
||
|
11
|
The
decimal equivalent of ( 1100) 2
is
|
|||
|
|
(a)
12
|
(b) 16
|
||
|
|
(c) 18
|
(d) 14
|
||
|
12
|
The binary equivalent of ( )FA
16 is
|
|||
|
|
a)
1010 1111
|
b)
1111 1010
|
||
|
|
c)
10110011
|
d)
none
|
||
|
13
|
The 2’s complement of the number 1101110 is
|
|||
|
|
a) 0010001.
|
b) 0010001.
|
||
|
|
c) 0010010
|
d) none
|
||
|
14
|
The decimal equivalent of Binary number 10101 is
|
|||
|
|
(a)
21
|
(b) 31
|
||
|
|
(c) 26
|
(d) 28
|
||
|
15
|
Negative numbers cannot be represented in
|
|||
|
|
a) Signed
magnitude form
|
b) I's
complement form
|
||
|
|
c)
2's
complement form
|
d) 8-4-2-1
code
|
||
Computer Organization and Architecture MCQ -4
