Computer GK Quiz for Competitive exams
What are the main functions of the Interpreter command?
(A) Receives and executes commands specified by the next user
(B) To provide API and vendor interface of application program
(C) to manage files in the operating system
(D) None of these
Correct Answer : A
Through resource management in the operating system, _______ can be done?
(A) Time Division Multiplexing
(B) Space Division Multiplexing
(C) Both a and B
(D) None of these
Correct Answer : C
If a process fails, most operating systems write error information to _______
(A) Log file
(B) Another Running Process
(C) New file
(D) None of these
Correct Answer : A
Which of the following is not a real-time operating system?
(A) Vxworks
(B) WindowscE
(C) WindowscE
(D) Palm OS
Correct Answer : D
Every machine has assembly language, what does it depend on?
(A) on the internal architecture of the processor
(B) on assembly
(C) on transistor
(D) on the valve
Correct Answer : A
Which computer virus records every movement you make on the computer?
(A) Malware Android
(B) DoS
(C) Key Logger
(D) Trapper
Correct Answer : C
Explanation :
A keylogger (short for keystroke logger) is a type of computer virus or malware that records every keystroke and movement made on a computer's keyboard, including sensitive information such as passwords, credit card numbers, and personal messages. It essentially captures the user's keystrokes without their knowledge and sends this information to the attacker, posing a significant security threat.
What is the mascot of the Linux operating system?
(A) Bear
(B) Penguin
(C) Lion
(D) whale
Correct Answer : B
Explanation :
The mascot of the Linux operating system is a penguin named Tux. Tux was created by Larry Ewing and has become the widely recognized symbol representing the Linux kernel and the open-source software community.
Laser printer resolution is specified in terms of:
(A) DPI
(B) LPM
(C) CPM
(D) LSI
Correct Answer : A
Explanation :
Laser printer resolution is specified in terms of DPI, which stands for Dots Per Inch. DPI refers to the number of dots a printer can place within one square inch of space on a printed page. Higher DPI values generally result in sharper and more detailed printouts. Laser printers typically offer higher DPI resolutions, such as 600 DPI or 1200 DPI, leading to high-quality text and graphics output.
The instruction about booting your system is stored in:
(A) RAM
(B) CPU
(C) BIOS
(D) Register
Correct Answer : C
Explanation :
The instructions about booting your system are stored in the Basic Input/Output System (BIOS) or its modern equivalent, Unified Extensible Firmware Interface (UEFI). BIOS/UEFI is firmware that is built into the computer's motherboard and contains low-level software that initializes and initializes hardware components, including the system boot process. It provides the necessary instructions for the computer to boot up and load the operating system from the storage device.
Which symbol is used to separate the username of an email address from that of an ISP?
(A) @
(B) &
(C) $
(D) #
Correct Answer : A
Explanation :
The "@" symbol is used to separate the username of an email address from the domain name of the Internet Service Provider (ISP) or email service provider. For example, in the email address "username@example.com," "username" is the username of the email account, and "example.com" is the domain name of the email service provider, separated by the "@" symbol.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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