Free Computer Fundamentals MCQs with Answers

221. Which of the following is the smallest storage?

• A. Megabyte
• B. Gigabyte
• C. Terabyte
• D. None of these

Explanation: Among the listed units, a megabyte is smaller than a gigabyte and a terabyte. The usual order is megabyte, gigabyte, then terabyte.

222. Which of the following is not a binary number?

• A. 001
• B. 101
• C. 202
• D. 110

Explanation: Binary numbers may contain only the digits 0 and 1. The number 202 contains the digit 2, so it is not binary.

223. A computer system that is old and perhaps not satisfactory is referred to as a(n)____________?

• A. Ancient system
• B. Historical system
• C. Age old system
• D. Legacy system

Explanation: A legacy system is an older computer system that an organisation continues to use, even when it may be outdated or difficult to maintain. “Ancient system” is not the standard technical term.

224. ASCII is a coding system that provides_____________?

• A. 256 different characters
• B. 512 different characters
• C. 1024 different characters
• D. 128 different characters

Explanation: Standard ASCII uses 7 bits, allowing 2⁷ = 128 character codes. The 256-character version is extended ASCII, not basic ASCII.

225. To access properties of an object, the mouse technique to use is_____________?

• A. Dragging
• B. dropping
• C. right-clicking
• D. shift-clicking

Explanation: Right-clicking an object normally opens its shortcut or context menu, which includes the Properties command. Dragging and dropping move objects rather than display their settings.

226. A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a____________?

• A. Hacker
• B. spammer
• C. instant messenger
• D. programmer

Explanation: A hacker uses computer expertise to gain unauthorised access, potentially stealing information or causing damage. A programmer writes software, whereas a spammer sends unsolicited messages.

227. Why is it unethical to share copyrighted files with your friends?

• A. It is not unethical, because it is legal.
• B. It is unethical because the files are being given for free.
• C. Sharing copyrighted files without permission breaks copyright laws.
• D. It is not unethical because the files are being given for free.Company News

Explanation: Copyright protects the creator’s control over copying and distribution, so sharing files without permission can violate copyright law. Giving the files away for free does not remove that restriction.

228. Where does most data go first with in a computer memory hierarchy ?

• A. RAM
• B. ROM
• C. BIOS
• D. CACHE

Explanation: RAM is the main working memory where programs and data are placed for active processing. Cache is checked for frequently used copies, but it is a smaller high-speed store rather than the usual initial destination for most data.

229. The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called___________?

• A. robotics
• B. simulation
• C. computer forensics
• D. animation

Explanation: Computer forensics recovers, preserves, and analyses digital evidence, including deleted or damaged files from a suspect’s computer. Robotics, simulation, and animation are unrelated application areas.

230. Computers manipulate data in many ways, and this manipulation is called___________?

• A. upgrading
• B. processing
• C. batching
• D. utilizing

Explanation: Processing is the manipulation of raw data to produce useful results or information. Upgrading changes hardware or software, while batching is only one method of processing jobs.