CIT 244

Electronics - II

PAPER - A

Chapter 3 : Combinational Logic Circuits

DAE Computer Information Technology | Second Year

Multiple Choice Questions

Chapter 3 : Combinational Logic Circuits

Question 1:

A logic circuit which converts a decimal number to binary number is called

Encoder Decoder Multiplexer De-Multiplexer

Question 2:

Multiplexer is also called

Decoder Data Selector Data Distributor Encoder

Question 3:

When all LED’s of seven segment are ON, the digit will be display

6 7 8 0

Question 4:

Which IC is 4 ×16 decoder?

74121 74154 74138 74151

Question 5:

An encoder converts a decimal number into

Binary Hexa-decimal Decimal None of these

Question 6:

A logic circuit which selects one input from many inputs by means of a control input.

Decoder Multiplexer Data Distributor Encoder

Question 7:

The type of seven segment display in which all cathodes of LED’s are shorted, is called

Common Ground Common Cathode Common LED Common Anode

Question 8:

Which IC is common anode display decoder?

7446 7448 7410 7408

Question 9:

De-multiplexer is also called

Decoder Data Selector Data Distributor Encoder

Question 10:

Which LED of seven segment should be off to display the digit “0”

d e f g

Question 11:

A 16 × 1 multiplexer has control inputs

4 8 12 16

DAE CIT 244 | Electronics - II | PAPER - A | Chapter 3 : Combinational Logic Circuits | MCQs

CIT 244

Electronics - II

PAPER - A

Chapter 3 : Combinational Logic Circuits

Multiple Choice Questions

Chapter 3 : Combinational Logic Circuits

Question 1:

Question 2:

Question 3:

Question 4:

Question 5:

Question 6:

Question 7:

Question 8:

Question 9:

Question 10:

Question 11:

Quiz Results

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