Computer Science Previous Year Questions 2026 | SSC CHSL

Computer Science - MOST IMPORTANT SSC CHSL Previous Year Questions

Practice real questions from previous year exams of SSC CHSL.

📘 Computer Architecture & Central Processing Unit📚 Basic Facts
Q1

Select odd one of the following with reference to the central processing unit (CPU) of a computer.

🎯 SSC CHSL (Tier-1) – 17/03/2023 (Shift-III)
📘 Computer Architecture & Central Processing Unit📚 Basic Facts
Q2

Which of the following is also known as the brain of the computer?

🎯 SSC 10+2 CHSL 11.01.17, 1.15 pm
📘 Computer Architecture & Central Processing Unit📚 Basic Facts
Q3

Which of the following is also known as the brain of the computer?

🎯 SSC CHSL 18/03/2020 (Shift-III)
📘 Computer Architecture & Central Processing Unit📚 Registers
Q4

Which of the following is a part of the central processing unit of a computer?

🎯 SSC CHSL 11/08/2021 (Shift-I)
📘 Introduction to Computers📚 Basic Facts (Data, Information, etc.)
Q5

Processed data is known as

🎯 SSC 10+2 CHSL 16.01.17, 10 am
📘 Computer Architecture & Central Processing Unit📚 Motherboard
Q6

......... is the main printed circuit board (PCB) in a computer.

🎯 SSC CHSL-08/07/2019 (Shift-II)
📘 Computer Architecture & Central Processing Unit📚 Control Unit
Q7

…….tells the computer’s memory, arithmetic /logic unit and input and output devices how to respond to a program’s instructions.

🎯 SSC 10+2 CHSL 19.01.17, 1.15 pm
📘 Computer Architecture & Central Processing Unit📚 Arithmetic Logic Unit (ALU)
Q8

ALU is a part of a computer is…………

🎯 SSC 10+2 CHSL 02.02.17, 1.15 pm
📘 Computer Architecture & Central Processing Unit📚 Basic Facts
Q9

Which of the following is also known as the 'Brain of the Computer'?

🎯 SSC 10+2 CHSL 11.01.17, 1.15 pm
📘 Computer Architecture & Central Processing Unit📚 Basic Facts
Q10

Which unit of the computer is considered as the brain of the computer ?

🎯 SSC CHSL 18/03/2020 (Shift-III)
📘 Programming and Scripting Languages📚 High Level Languages (C, C++, Java, Python, etc.)
Q11

What is the full form of RPG?

🎯 SSC CHSL (Tier-1) – 20/03/2023 (Shift-I)
📘 Programming and Scripting Languages📚 Generations of Programming Languages (1GL–5GL)
Q12

Which of the following languages is an example of fourth generation language in computer programming?

🎯 SSC CHSL 13/04/2021 (Shift-III)
📘 Computer Generations📚 Fourth Generation Computers
Q13

Graphical user interface (GUI) was developed during which of the following generations of computers?

🎯 SSC CHSL (Tier-1) – 21/03/2023 (Shift-II)
📘 Computer Generations📚 Fifth Generation Computers
Q14

PARAM supercomputer belongs to which generation of computers?

🎯 SSC CHSL (Tier-1) – 17/03/2023 (Shift-II)
📘 Computer Generations📚 First Generation Computers
Q15

Which generation of computers used machine code as the programming language?

🎯 SSC CHSL (Tier-1) – 15/03/2023 (Shift-I)
📘 Computer Generations📚 First Generation Computers
Q16

Which among the following generations of computer used vaccum tubes?

🎯 SSC CHSL (Tier-1) – 15/03/2023 (Shift-I)
📘 History of Computers📚 History of SuperComputers (Global)
Q17

Which of the following is called the father of supercomputing ?

🎯 SSC CHSL-05/07/2019 (Shift-I)
📘 Classification of Computers📚 On the Basis of Mechanism/Technology (Analog, Digital, Hybrid)
Q18

Which type of computers is used to control air traffic and radar of national defence?

🎯 SSC CHSL (Tier-II) 26/06/2023
📘 Classification of Computers📚 On the Basis of Mechanism/Technology (Analog, Digital, Hybrid)
Q19

Which type of computers is used to control air traffic and radar of national defence?

🎯 SSC CHSL 21/10/2020 (Shift-III)
📘 History of Computers📚 History of SuperComputers (India)
Q20

Which of the following is India's fastest super computer as of December 2020?

🎯 SSC CHSL 15/04/2021 (Shift-II)