IMPORTANT COMPUTER APTITUDE PRACTICE QUESTIONS FOR SBI PO & CLERK MAINS
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IMPORTANT COMPUTER APTITUDE PRACTICE QUESTIONS FOR SBI PO & CLERK MAINS
Hope all are ready for SBI Clerk & Po exams.Here is some of the important computer aptitude questions, you can practice very well for your mains examination and can score more marks in the upcoming exams.
1) Convert the given Decimal number into Binary form -173
a) 001011112
b) 001010012
c) 101011112
d) 101010012
e) 101011012
2) Convert the given Decimal into octal form -130
a) 3018
b) 3038
c) 2028
d) 1048
e) 2038
3) Convert the given base 10 into base 16 – 310
a) D216
b) C216
c) C316
d) A316
e) D316
4) Convert the given Decimal number into Binary number – 195
a) 001111102
b) 111110002
c) 110001112
d) 001110002
e) 001010002
5) Convert the binary number into octal number – 100100110
a) 5448
b) 4468
c) 5648
d) 4548
e) 5548
6) Convert the given binary number into octal number – 111100110
a) 6568
b) 7868
c) 5568
d) 7468
e) 7568
7) Convert the given base 10 to base 16 – 200
a) B816
b) D216
c) A316
d) C616
e) C816
8) Convert the given Binary number into Decimal number – 1000112
a) 30
b) 31
c) 32
d) 34
e) 35
9) Convert the given binary number into Decimal number – 0011102
a) 17
b) 12
c) 14
10) Convert the given Decimal into octal – 135
a) 2168
b) 2098
c) 2058
d) 2078
e) 2068
11) Convert the given Binary number into octal number 111001001
a) 7228
b) 7118
c) 6558
d) 6118
e) 7668
12) What will be the 1’s complement of decimal number 44
a) 111000
b) 100110
c) 010011
d) 110010
e) 001100
13) What will be the 1’s complement of decimal number 22 ?
a) 01000
b) 01101
c) 01010
d) 01011
e) 01001
14) What will be the 2’s complement of 1001002
a) 11001
b) 01100
c) 10101
d) 11100
e) 11111
15) What will be the 2’s complement of 1110112 ?
a) 000101
b) 110001
c) 110000
d) 100011
e) 110011
16) What will be the 2’s complement of 1000112 ?
a) 111101
b) 010101
c) 011100
d) 111101
e) 011101
17) What will be the 1’s complement of decimal number 45 ?
a) 111000
b) 010010
c) 011110
d) 111000
e) 011101
18) Convert the given hexadecimal to decimal number (base 10) – BC2
a) 304010
b) 301010
c) 201810
d) 201010
e) 401010
19) Convert the given hexadecimal to decimal number (base 10) – AC2
a) 375410
b) 275310
c) 265410
d) 274410
e) 275410
20) Convert the given hexadecimal to decimal number (base 10) – CC2
a) 324110
b) 331110
c) 326610
d) 326110
e) 321110
Answer Key with Explanation
1) e
173/2 – Remainder 1
86/2 – Remainder 0
43/2 – Remainder 1
21/2 – Remainder 1
10/2 – Remainder 0
5/2 – Remainder 1
2/2 – Remainder 0
1
173=> 101011012
2) c
130/8 – Remainder 2
16/8 – Remainder 0
2
130 => 2028
3) a
310 / 16 -remainder 2
13 – D
(A = 10 , B = 11 , C = 12 , D = 13)
4) c
110001112
195 /2 – Remainder 1
97/2 – Remainder 1
48/2 – Remainder 1
24/2 – Remainder 0
12/2 – Remainder 0
6/2 – Remainder 0
3/2 – Remainder 1
1
195 -> 110001112
5) b
4468
100100110 = > 100/100/110
4 / 4 / 6
100100110 => 4468
6) d
7468
111100110 => 111/100/110
7 / 4 / 6
111100110 => 7468
7) e
C816
200 / 16 – Remainder 8
12 – C => C816
8) d
34
1000112 = 25 + 0 + 0 + 0 + 1 + 1
32 + 0 + 0 + 0 + 2 = > 34
9) c
0011102
0 + 0 + 23 + 22 + 21 + 0
0 + 0 + 8 + 4 + 2 + 0 => 14
10) d
135/8 – Remainder 7
16/8 – Remainder 0
2
135 => 2078
11) b
1110010012
111/001/001
7/ 1/ 1
1110010012 => 711
12) c
44/2 – Remainder – 0
22/2 – Remainder 0
11/2 – Remainder 0
5/2 – Remainder 1
2/2 – Remainder 0
1
44 => 010011
13) e
22/2 – Remainder 0
11/2 – Remainder 1
5/2 – Remainder 1
2/2 – Remainder 0
1
22 => 01001
14) d
1001002 = 011011
(+1)
= 011100
15) a
1110112 = 000100
(+1)
= 000101
16) c
1000112 = 011100
(+1)
= 011101
17) b
45/2 – Remainder 1
22/2 – Remainder 0
11/2 – Remainder 1
5/2 – Remainder 1
2/2 – Remainder 0
1
45 => 101101
=> 010010
18) b
BC2 => 11 12 2
11 x 162 + 12 x 161 + 2 x 160
2816 + 192 + 2
301010
19) e
AC2 => 10 12 2
10 x 162 + 12 x 161 + 2 x 160
2560 + 192 + 2
275410
20) c
CC2 = 12 12 2
12x 162 + 12 x 161 + 2 x 160
3072 + 192 + 2
326610
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