Free Computer Fundamentals MCQs with Answers

91. What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

• A. MS DOS
• B. UNIX
• C. OS/2
• D. None of the above

Explanation: UNIX was developed at Bell Labs by researchers and engineers and became widely used in scientific and technical environments. MS-DOS and OS/2 were primarily designed as personal-computer operating systems.

92. ___________ memory loses content, when power is lost.

• A. Non volatile
• B. volatile
• C. Static
• D. None of these

Explanation: Volatile memory requires continuous power to preserve its data, so its contents disappear when the power is removed. RAM is the common example, whereas non-volatile memory retains data.

93. Who is called the "grand father" of the computer?

• A. Blaise Pascal
• B. Charles Babbage
• C. Joseph Jacquard
• D. Dr. Herman Hollerith

Explanation: Charles Babbage is called the grandfather or father of the computer because his Analytical Engine introduced important programmable-computing concepts. Pascal, Jacquard, and Hollerith also made major contributions but are not given this title.

94. Brain also known as the first computer virus for MS-DOS was written by two brothers belonging to which among the following countries?

• A. Malaysia
• B. India
• C. Pakistan
• D. Iran

Explanation: The Brain boot-sector virus, commonly regarded as the first MS-DOS computer virus, was written by two brothers from Pakistan. It was created in Lahore in 1986.

95. Which is the core of the operating system?

• A. Shell
• B. Kernel
• C. Commands
• D. Script

Explanation: The kernel is the central core of an operating system, managing memory, processes, hardware access, and system resources. The shell is an interface through which users or programs interact with the kernel.

96. In what respect human beings are superior to computers?

• A. Diligence
• B. Intelligence
• C. Slavery
• D. Reliability

Explanation: Human intelligence includes reasoning, judgment, creativity, and the ability to handle unfamiliar situations, areas where computers traditionally depend on programmed instructions. Computers are generally superior in speed, diligence, and consistency rather than intelligence in this broad sense.

97. Which is termed as the fastest Computer in the World recently in June 2020?

• A. sequoia
• B. Fugaku
• C. Tianhe-2A
• D. Frontera

Explanation: Japan's Fugaku supercomputer became the world's fastest in the June 2020 TOP500 ranking, overtaking IBM's Summit. The other choices were also powerful supercomputers but ranked lower at that time.

98. Which of the following are typical of virtual office?

• A. Desktop Invoicing
• B. Internet searching
• C. Traveling cordination
• D. All of these

Explanation: A virtual office can support administrative work such as invoicing, online research and coordinating travel without requiring a conventional shared office. Therefore, all three listed activities fit.

99. In MICR, C stands for_______?

• A. Code
• B. Color
• C. Character
• D. Computer

Explanation: MICR means Magnetic Ink Character Recognition, so C stands for Character. It refers to the machine-readable characters printed with magnetic ink on cheques and similar documents.

100. With a __________, users interact with menus and visual images such as icons, buttons, and other objects to issue commands?

• A. Command-Line Interface
• B. Menu-Driven Interface
• C. Graphical User Interface
• D. Performance-Moniter Interface

Explanation: A Graphical User Interface lets users issue commands through visual elements such as icons, buttons and menus. A command-line interface instead relies primarily on typed commands.