Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
821
The part of the operating system that is responsible for managing memory is called:
Answer:
Memory manager
The memory manager is responsible for allocating and deallocating memory to processes.
822
A personal operating system is designed for:
Answer:
A single user on a personal computer
A personal operating system is an operating system that is designed for a single user to use on a personal computer.
823
Which folder contains administrative tools?
Answer:
Control Panel
The Control Panel is a special folder in Microsoft Windows that contains a collection of applets or tools. These tools allow users to view and change system settings, configure hardware and software, and perform administrative tasks.
824
Which UNIX command displays the number of characters in a file?
Answer:
wc
The wc command can count characters, words, and lines.
825
What do you call a program that changes computer data into a different coded format than usual?
Answer:
Encoder
An encoder transforms digital information from its standard form into a specific alternate code, useful for security or data transmission.
826
Most instances of computer crime are committed by:
Answer:
Insiders
Many computer-related crimes are undertaken by individuals within the organization, such as employees or contractors, who have legitimate access to the systems.
827
What does NTFS represent as a file system?
Answer:
New Technology File System
NTFS stands for “New Technology File System,” a robust and modern file system by Microsoft.
828
Which of these toolbars allows changing of Fonts and their sizes?
Answer:
Formatting
** The Formatting toolbar contains options for changing font type, size, color, and style.
829
What type of keys are located in the top row of a standard computer keyboard?
Answer:
Function
Function keys (F1, F2, etc.) are placed along the top row and offer shortcuts and special functions.
830
When an I/O device sends an interrupt, the CPU:
Answer:
Completes the current instruction, then jumps to the interrupt service routine
To ensure data consistency, the CPU finishes the instruction it is currently executing before handling the interrupt request.