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MCQ

51 posts

Third Generation of Computers

Last Updated: 01 May 2025

The third generation of computers, from 1965 to 1971, used Integrated Circuits (ICs) instead of transistors. An IC is a small chip that contains many transistors, resistor...read more

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Computer Science Fundamentals

School Learning

Solve the Equation x = 4/5(x + 10)

Last Updated: 23 July 2025

Problem: Solve Equation x = 4/5(x + 10)Solution:Given: x = 4/5 (x +10)When we multiply both sides by 5, we get5x = 4 (x + 10)⇒ 5x = 4x + 40After subtracting 4x from both s...read more

School Learning

CPU Scheduling Numerical Questions

Last Updated: 11 May 2023

1. Find the size of the memory if its address consists of 22 bits. Assume the memory is 2-byte addressable.Solution -If the given address consists of ‘k’ bits, then 2k loc...read more

Operating Systems

Operating Systems Questions

Operating Systems-CPU Scheduling

EasyUI jQuery comboBox widget

Last Updated: 29 October 2022

EasyUI is an HTML5 framework for using user interface components based on jQuery, React, Angular, and Vue technologies. It helps in building features for interactive web a...read more

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Web Technologies

Output of C programs | Set 66 (Accessing Memory Locations)

Last Updated: 16 April 2020

Q1. Is the output of this code True or False?C #include stdio.hint main(void){ int b = 20; int* y = b; char n = 'A'; char* z = n; y[0] = z[0]; ...read more

Memory Management

PUZZLE | Lateral Thinking

Last Updated: 11 October 2025

Problem: Move 3 matchsticks from the given set of matchsticks arranged as shown in the figure, to make 3 square boxes.Check if you were right - full answer with solution b...read more

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Technical Scripter

Technical Scripter 2018

Arrangement Puzzles

Practice questions on Height balanced/AVL Tree

Last Updated: 28 December 2024

AVL tree is binary search tree with additional property that difference between height of left sub-tree and right sub-tree of any node can’t be more than 1. Here are some ...read more

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Practice questions on B and B+ Trees

Last Updated: 04 October 2025

In this article, we will discuss different types of problems based on B and B+ trees. Before understanding this article, you should understand basics of B and B+ trees (se...read more

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NIELIT Scientist ‘B’ Recruitment 2016 : Computer Science

Last Updated: 22 November 2022

National Institute of Electronics Information Technology (NIELIT), erstwhile known as the DOEACC Society, is an autonomous scientific society under the administrative con...read more

Interview Experiences

Operating Systems | Set 17

Last Updated: 23 July 2025

Following question has been asked in GATE 2012 CS exam. Fetch_And_Add(X,i) is an atomic Read-Modify-Write instruction that reads the value of memory location X, increments...read more

Operating Systems

Database Management Systems | Set 11

Last Updated: 23 July 2025

Following questions have been asked in GATE CS 2007 exam.1) Information about a collection of students is given by the relation studinfo(studId, name, sex). The relation e...read more

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Database Management Systems | Set 10

Last Updated: 23 July 2025

Following questions have been asked in GATE CS 2005 exam.1) Let r be a relation instance with schema R = (A, B, C, D). We define r1 = 'select A,B,C from r' and r2 = 'selec...read more

Database Management Systems | Set 9

Last Updated: 23 July 2025

Following questions have been asked in GATE 2006 CS exam. 1) Consider the following log sequence of two transactions on a bank account, with initial balance 12000, that tr...read more

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Computer Networks | Set 12

Last Updated: 08 August 2025

Following questions have been asked in GATE CS 2009 exam.1) Let G(x) be the generator polynomial used for CRC checking. What is the condition that should be satisfied by G...read more

Computer Networks

Computer Networks | Set 11

Last Updated: 23 July 2025

Following questions have been asked in GATE CS 2006 exam. 1) Station A uses 32 byte packets to transmit messages to Station B using a sliding window protocol. The round tr...read more

Computer Networks