Top 350+ Solved Digital Electronics MCQ Questions Answer

From 361 to 375 of 386

Q. Which IC is used for the implementation of 1-to-16 DEMUX?

a. ic 74154

b. ic 74155

c. ic 74139

d. ic 74138

  • a. ic 74154

Q. All the comparisons made by comparator is done using                          

a. 1 circuit

b. 2 circuits

c. 3 circuits

d. 4 circuits

  • a. 1 circuit

Q. Comparators are used in                          

a. memory

b. cpu

c. motherboard

d. hard drive

  • b. cpu

Q. A circuit that compares two numbers and determine their magnitude is called

a. height comparator

b. size comparator

c. comparator

d. magnitude comparator

  • d. magnitude comparator

Q. How many types of digital comparators are?

a. 1

b. 2

c. 3

d. 4

Q. An identify comparator is defined as a digital comparator which has                          

a. only one output terminal

b. two output terminals

c. three output terminals

d. no output terminal

  • a. only one output terminal

Q. A magnitude comparator is defined as a digital comparator which has                          

a. only one output terminal

b. two output terminals

c. three output terminals

d. no output terminal

  • c. three output terminals
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