Top 350+ Solved Digital Electronics and Logic Design MCQ Questions Answer

From 211 to 225 of 469

Q. When signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation for zero.

a. sign- magnitude.

b. 1’s complement.

c. 2’s complement.

d. 9’s compleme nt.

  • a. sign- magnitude.

Q. The decimal equivalent of Binary number 11010 is

a. 26

b. 36

c. 16

d. 23

  • a. 26

Q. 1’s complement representation of decimal number of -17 by using 8 bit

a. 1110 1110

b. 1101 1101

c. 1100 1100

d. 0001 0001

  • a. 1110 1110

Q. The excess 3 code of decimal number 26 is

a. 0100 1001

b. 1011001

c. 1000 1001

d. 1001101

  • b. 1011001

Q. The hexadecimal number for (95.5)10 is

a. (5f.8) 16

b. (9a.b) 16

c. ( 2e.f) 16

d. ( 5a.4) 16

  • a. (5f.8) 16

Q. The octal equivalent of (247) 10 is

a. ( 252) 8

b. (350) 8

c. ( 367) 8

d. ( 400) 8

  • c. ( 367) 8

Q. The number 140 in octal is equivalent to

a. (96)10 .

b. ( 86) 10

c. (90) 10 .

d. none of these.

  • a. (96)10 .

Q. The NOR gate output will be low if the two inputs are

a. 11

b. 1

c. 10

d. all

  • d. all

Q. Convert decimal 153 to octal. Equivalent in octal will be

a. (231)8

b. ( 331) 8

c. ( 431) 8 .

d. none of these.

  • a. (231)8

Q. The decimal equivalent of ( 1100)2 is

a. 12

b. 16

c. 18

d. 20

  • a. 12

Q. The binary equivalent of (FA)16 is

a. 1010 1111

b. 1111 1010

c. 10110011

d. none of these

  • b. 1111 1010

Q. How many two-input AND and OR gates are required to realize Y=CD+EF+G

a. 22

b. 23

c. 33

d. none of these

  • a. 22

Q. The excess-3 code of decimal 7 is represented by

a. 1100

b. 1001

c. 1011

d. 1010

  • d. 1010
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