GK / GS · Chapter 1
Computer Basics, Generations and Hardware PYQs
Every time you tap a phone or press a key, a tiny chain of events runs: input goes in, the processor works, and output comes back.
What is a Computer? History and Fathers 4 PYQs
- For the logic circuit Y = (A + B)' · C, which input combination yields Y = 1?Delhi Police 2026 · 16 Jan 2026
- What is the purpose of the "Smart Lookup" feature in Word?Delhi Police 2026 · 02 Jan 2026
- What are the three main components of a computer system?RRB NTPC 2025 · 11 Aug 2025
- Which of the following is an example of a type of ROM that can be electronically erased and reprogrammed multiple times?SSC CGL 2025 · 18 Jan 2025
Input, Output Devices and Ports 8 PYQs
- How can you compute the average of numbers in A1:A10 using SUM and COUNT instead of AVERAGE?Delhi Police 2026 · 20 Jan 2026
- Which feature will automatically change typed text like "teh" into the correctly spelled the as soon as you press the spacebar or punctuation?Delhi Police 2026 · 12 Jan 2026
- Which search technique is usually most effective when looking for an exact phrase on the Web?Delhi Police 2026 · 09 Jan 2026
- Which of the following devices is mainly used to convert digital signals into sound for audio output?RRB NTPC 2025 · 11 Aug 2025
- Which of the following devices can function as both an input device and an output device?RRB NTPC 2025 · 13 Jun 2025
- Which output device is specifically designed to produce high-quality printed graphics and text?RRB NTPC 2025 · 11 Jun 2025
- Which of the following statements accurately explains why a touchscreen can be considered both an input and an output device?RRB NTPC 2025 · 24 Jun 2025
- Which of the following is an example of an input device that allows users to interact with a computer by typing text?RRB NTPC 2025 · 13 Jun 2025
Generations and Types of Computers 2 PYQs
- As of March 2025, under the National Supercomputing Mission (NSM) how many supercomputers have been deployed across India?SSC CHSL 2025 · 22 Nov 2025
- What does it mean when a selected text is displayed with a red, wavy underline?Delhi Police 2025 · 18 Dec 2025
The CPU and the Motherboard 8 PYQs
- Which of the following are the main subsystems of the Central Processing Unit (CPU)?RRB NTPC 2025 · 22 Aug 2025
- Which of the following components is not a part of the CPU?RRB NTPC 2025 · 09 Jun 2025
- Which of the following characteristics of a CPU determines how many instructions it can process per second?RRB NTPC 2025 · 13 Jun 2025
- Which of the following devices processes data in a computer system?RRB NTPC 2025 · 24 Jun 2025
- Which characteristic of a CPU determines how many instructions it can process per second?RRB NTPC 2025 · 17 Jun 2025
- The ________ consists of two buttons i.e. up arrow scroll button and down arrow scroll button.Delhi Police 2025 · 26 Dec 2025
- (i) The CPU's clock speed controls the timing and execution speed of instructions. (ii) The CPU's cache memory provides high-speed access to…SSC CGL 2025 · 18 Jan 2025
- Which of the following statements about the Central Processing Unit (CPU) is/are correct? 1. The CPU is often referred to as the 'brain' of the…SSC CGL 2025 · 20 Jan 2025