Computer Knowledge

Digital Logic and Microprocessors

735 Questions

Digital logic and microprocessors form the core of computer science, covering logic gates, combinational and sequential circuits, and CPU architecture. These topics are crucial for computer knowledge sections in technical exams. Test your digital electronics basics here.

Logic gates and circuitsCombinational vs sequential circuitsMicroprocessor instructionsTruth tables and boolean functions

Digital Logic and Microprocessors Questions

Multiple choice

The operation of gate is described by

  1. arithmetic expression

  2. boolean expression

  3. both (1) and (2)

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Logic gates perform operations that are mathematically described using boolean expressions, which involve variables and logical operators.

Multiple choice

Gates produce signals

  1. 0 only

  2. 1 only

  3. 0 or 1

  4. 0 and 1
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Logic gates are binary devices that output either a 0 (low voltage) or a 1 (high voltage) based on their input states.

Multiple choice

The NOT gate has _____ input(s).

  1. 0

  2. 1

  3. 2

  4. 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A NOT gate performs logical negation on a single input variable, meaning it has exactly one input.

Multiple choice

The NAND and NOR gates are called

  1. basic logic gates

  2. universal logic gates

  3. both (1) and (2)

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

NAND and NOR gates are called the universal logic gates.

Multiple choice

The NOT, OR and AND gates are called

  1. basic logic gates

  2. universal logic gates

  3. both (1) and (2)

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The NOT, OR and AND gates are called basic logic gates.