Introduction
Computer Knowledge is very important if you are studying in school or preparing for a competitive exam. If you want to test your Computer knowledge, you need to give a computer MCQ test. In this article/post, I have compiled the most frequently asked and important Computer MCQs & Last 5 Years Computer Solved PYQs. It will help you better prepare for your competitive exam. Especially if you are preparing for the HPRCA Post code 26001 HP JOA IT 2026 exam, this article is for you. So, read this article carefully and make notes for your better revision. It will boost your score in your competitive exams. So let's get started.
Contents (6 Questions each):
- Computer Organisation
- Computer Memory
- Data Representation
- Computer Software
- Operating System and its Types
Most Important Computer MCQs | Last 5 Years Computer Solved PYQs | HP JOA IT 2026
Question 1. Speed of processor is measured in ______
(a) Procetz
(b) Bit
(c) Byte
(d) Hertz
Question 2. PCs are considered 4th generation and contain?
(a) Transistors
(b) Microprocessor
(c) Vacuum Tubes
(d) Data
Question 3. Give another word for the CPU?
(a) Microchip
(b) Transistors
(c) Microprocessor
(d) Sata
Question 4. When the CPU detects an interrupt, it saves its_____
(a) Next state
(b) Previous state
(c) Upper state
(d) Current state
Question 5. Which of the following is the name of location of a particular piece of data is its______
(a) Address
(b) Data location
(c) Storage
(d) None of the above
Question 6. Which of the following manages computer resources?
(a) Input and Output Unit
(b) Control Unit
(c) Memory unit
(d) Arithmetic and Logical unit.
Question 7. Which of the following represents approximately one billion memory locations?
(a) Gigabyte
(b) Megabyte
(c) Terabyte
(d) Kilobyte
Question 8. Which of the following is the memory made up of?
(a) A set of optical fibers
(b) Large number of cells
(c) Set of optical fibers
(d) Set of microfiber
- Read Also: Most Repeated India GK PYQs for HP JOA IT 2026- Frequently asked questions.
Question 9. What is the name of the main folder on a storage device called?
(a) Interface
(b) Platform
(c) Root directory
(d) None of the above
Question 10. A bit refers to?
(a) The smallest unit of digital information
(b) A value equal to a megabyte
(c) A farm of storage
(d) A value equal to a byte
Question 11. In which of the following computer memories is characterized by low cost per bit stored?
(a) Primary memory
(b) Secondary memory
(c) Extra Memory
(d) Flash drives
Question 12. Which storage device is mounted on 'reels'?
(a) CD-ROM
(b) Hard Disk
(c) Magnetic Tape
(d) Floppy disk
Question 13. Conversion of binary number (1100011)₂ to hexadecimal is?
(a) (40)₁₆
(b) (63)₁₆
(c) (57)₁₆
(d) (50)₁₆
Question 14. Which of the following is used for Octal Numbers?
(a) When binary numbers are too long
(b) In preference to 'hex' number
(c) Internal to the computer
(d) In computer hardware
Question 15. Which of the following is a binary number?
(a) 12
(b) 13
(c) 10
(d) 8
Question 16. 1 KB is equal to how many bytes?
(a) 2¹⁰
(b) 256
(c) 512
(d) 1024
Question 17. The largest unit of storage is?
(a) Kilobyte
(b) Gigabyte
(c) Terabyte
(d) Megabyte
Question 18. Which of the following is computers use in _____ number system to store data and perform calculations?
(a) Binary
(b) Octal
(c) Decimal
(d) Hexadecimal
Question 19. What is the name of the number system with base or radix eight?
(a) Decimal Number System
(b) Octal Number System
(c) Binary Number System
(d) Bit Number System
Question 20. ______ is a set of computer programs used on a computer to help perform tasks?
(a) A Processor
(b) An Instruction
(c) Software
(d) Memory
Question 21. Which of the following is the primary purpose of Software is to turn data into?
(a) Programs
(b) Websites
(c) Information
(d) Hardware
Question 22. Which of the following is the set of programs that enables your computer's hardware devices and application software to work together?
(a) Programming Software
(b) Utility Software
(c) Word Processing Software
(d) System Software
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Question 23. Which of the following is a mistake in an algorithm that causes incorrect results, and what is it called?
(a) Syntax error
(b) Logical error
(c) Machine error
(d) Procedural error
Question 24. Which of the following contains specific rules and words that express the logical steps of an algorithm?
(a) Programming language
(b) Programming Structure
(c) Logic Chart
(d) Syntax
Question 25. Which of the following is also known as an operating system?
(a) Hardware
(b) System Software
(c) Database
(d) Website
Question 26. SYS command is used to?
(a) Update the DOS system files
(b) Copy DOS configuration files to a new disk
(c) Copy DOS system files to the new disk
(d) All of the above
Question 27. ________ is the sequence of directories and sub directories the operating system must follow to find a specific file.
(a) Pipe
(b) Path
(c) External Command
(d) Internal Command
Question 28. The ability of an operating system to run more than one application at a time is called?
(a) Multi-tasking
(b) Time-Sharing
(c) Multi-user computing
(d) Object-Oriented programming
Question 29. Which of the following commands in DOS is used to delete all the files as well as sub-directories of a directory?
(a) DEL
(b) MOVE
(c) DELETE
(d) DELTREE
Question 30. Which of the following is the developer of UNIX?
(a) Rod Fenson
(b) Ken Thompson
(c) Johnson
(d) None of the above
Conclusion
To crack the HP JOA IT 2026 exam, Computer Awareness plays a very important role in the exam. I have shared with you the last 5 years of computer-solved PYQs, which were asked in previous JOA IT Exams. Also, you need to focus on Computer Memory, Hardware, Software, and Operating System-related questions. In most cases, the examiner asked direct questions from the computer MCQs, so read the above questions accordingly.
Additionally, start your typing practice alongside your written preparation, aiming for a consistent speed of 35-40 WPM at home, which will ensure you stay calm and accurate during the actual trade test. Consistency in revising HP GK PYQs will give you confidence. Maintain your flow of the Computer section and GK portion, both are very important to crack this exam (HP JOA IT) Post code 26001.
Read Also :
- Himachal Pradesh District-Wise-HP-GK-PYQs- Frequently Asked Questions.
- Top 50 Most Repeated HP GK - Important PYQs
- HP GK PYQs | Free Mock Test for HP JOA IT 2026 - Boost your score by giving Mock Test
I hope you liked this article. If you want to ask anything or tell something, please comment in the comment box given below.
Best wishes for your Exam.
HP JOA (IT)