Computer — All MCQs
4795 questions available
Q2601.What is a software patch?
Correct Answer: B
A software patch is primarily an emergency fix issued by developers to resolve security vulnerabilities or critical operational bugs in active software.
Q2602.The________is firmware that contains a computer's startup instructions.
Correct Answer: B
The BIOS (Basic Input/Output System) is the built-in non-volatile firmware that directs hardware initialization and boots the operating system.
Q2603.ARP stands for what?
Correct Answer: A
ARP stands for Address Resolution Protocol, which maps IP addresses to physical MAC addresses on a local network.
Q2604.The effectiveness of cyber systems largely depends on _____?
Correct Answer: C
The utility and reach of modern cyber systems are heavily dependent on reliable network and internet connectivity.
Q2605.3D printing technology is based on which foundational technique?
Correct Answer: D
3D printing is built entirely on additive manufacturing, progressively layering raw material on top of itself to form physical objects.
Q2606.Which of the following operating systems is produced by IBM?
Correct Answer: A
OS/2 (Operating System/2) was initially a joint project between Microsoft and IBM, which IBM subsequently managed and developed independently.
Q2607.The process of communication through a channel is called?
Correct Answer: A
The physical process of propagating data signals or information from a sender to a receiver through a communications link is called transmission.
Q2608.Which key is used to enter the current date in Excel?
Correct Answer: C
In MS Excel, pressing Ctrl + ; (semicolon) instantly inserts the static current date into the selected cell.
Q2609.Which software is used for typing letters?
Correct Answer: B
Word processing applications like Microsoft Word are the standard software used for typing letters, formatting reports, and managing text documents.
Q2610.One Mega-Byte is equal to:
Correct Answer: C
Following standard computer storage units, 1 Megabyte (MB) is equal to 1,024 Kilobytes (KB).
Q2611.Which ribbon tab in MS Word contains options for formatting text, such as changing font styles and sizes?
Correct Answer: A
The Home tab is the primary control panel in MS Word containing text, paragraph, style, and copy formatting groups.
Q2612.A song being played on a computer is an example of _____?
Correct Answer: C
A song being played converts digital bits into sound waves, representing an output operation produced by the computer's audio system.
Q2613.Periodically adding, changing, and deleting file records is called _____?
Correct Answer: C
Modifying records within a database or file by inserting new entries, correcting existing values, or deleting old rows is called updating.
Q2614.Who invented the First Computer Mouse?
Correct Answer: A
The computer mouse was designed and developed by American engineer Douglas Engelbart in 1964 while working at the Stanford Research Institute.
Q2615.Which is the largest hardware company in the world?
Correct Answer: A
Apple Inc., co-founded by Steve Jobs and Steve Wozniak, is recognized as the world's largest consumer electronics and computer hardware company by revenue.
Q2616.A temporary storage place for information in a computer is called?
Correct Answer: C
A buffer is an active temporary storage area in computer memory that holds data temporarily while it is being transferred or processed between devices.
Q2617.Facebook was launched in the year ?
Correct Answer: B
Facebook was launched on February 4, 2004, by Mark Zuckerberg and his Harvard University roommates.
Q2618.Minimum and maximum font size in MS Word is _____?
Correct Answer: A
In the default MS Word ribbon and formatting toolbar dropdown menu, the preset font sizes range from a minimum of 8 to a maximum of 72 points.
Q2619.Which of following is not hardware?
Correct Answer: A
Compiler (which translates code) and Windows XP (an operating system) are software, while CPU, RAM, and hard disks are physical computer hardware.
Q2620.Why headers and footers used in MS-Word?
Correct Answer: C
Headers and footers are sections printed at the top and bottom margins of every page to consistently display page numbers, titles, and author details.