Digital Computer Electronics - Study Mode

Show All Answers

[#171] The digits used in a binary number system are _ and _

(A) 9 and 0

(B) 0 and 1

(C) 1 and 2

(D) 3 and 4

Correct Answer

(B) 0 and 1

[#172] The 2-input XOR gate has a high output only when the input bits are _____

(A) even

(B) different

(C) low

(D) high

Correct Answer

(B) different

[#173] Conversion of binary number 1001010 2 to to its decimal number is

(A) 74 10

(B) 97 10

(C) 72 10

(D) 63 10

Correct Answer

(A) 74 10

[#174] A combinational logic circuit which generates particular binary word or number is

(A) decoder

(B) multiplexer

(C) encoder

(D) demultiplexer

Correct Answer

(B) multiplexer

[#175] The 1's compliment of binary number 11010 is:

(A) 101

(B) 10

(C) 110

(D) 11101

Correct Answer

(A) 101