Computer — All MCQs
4795 questions available
Q2801.The primary computational and processing block inside a CPU is the _____?
Correct Answer: A
The ALU (Arithmetic Logic Unit) executes all logical, comparison, and mathematical operations inside the CPU.
Q2802.Which of the following is classified as a word processing application?
Correct Answer: B
Microsoft Word is a word processing software used to write, design, and compile text documents.
Q2803.The low-level process of dividing a physical disk into tracks and sectors is called ______?
Correct Answer: C
Formatting initializes a storage disk, dividing its surface into magnetic tracks and sectors for reading/writing.
Q2804.Which keyboard shortcut is used to open Help in MS Excel?
Correct Answer: A
Pressing the F1 key opens the Excel Help and Support pane (on Windows systems).
Q2805.A physical hardware device used to modulate and demodulate signals is connected to a _____?
Correct Answer: A
A MODEM connects a computer network to an external analog communication medium, such as a physical telephone line.
Q2806.If you want to duplicate a paragraph of text from one document into another while keeping it in the first, you should use ______?
Correct Answer: B
Copying duplicates the text onto the clipboard, keeping the source intact while pasting inserts it into the destination.
Q2807.In administrative procurement, what does the abbreviation ITB stand for?
Correct Answer: B
ITB stands for Invitation to Bid, a formal administrative solicitation asking contractors to submit project proposals.
Q2808.In system administration and security, what does ACL stand for?
Correct Answer: A
An Access Control List (ACL) defines the file system permissions and access rights associated with users.
Q2809.The classic, heavy output monitors and television displays used which technology?
Correct Answer: C
CRT stands for Cathode Ray Tube, which utilizes an electron gun to project images onto a phosphorescent screen.
Q2810.In police administrative hierarchies, what does the rank abbreviation ASI stand for?
Correct Answer: A
ASI represents Assistant Sub-Inspector, a non-gazetted ranking officer in South Asian police forces.
Q2811.In radio wave communication, what does the abbreviation FM represent?
Correct Answer: B
FM stands for Frequency Modulation, transmitting information by varying the frequency of the carrier wave.
Q2812.In integrated circuit design, what does VLSI stand for?
Correct Answer: A
VLSI stands for Very Large Scale Integration, the process of placing millions of transistors onto a single silicon chip.
Q2813.The structured process defined from planning to deployment and maintenance of software is called?
Correct Answer: A
SDLC stands for Software Development Life Cycle, a step-by-step methodology used to create high-quality software.
Q2814.What is the non-volatile memory built directly into the computer's motherboard called?
Correct Answer: B
ROM (Read-Only Memory) is permanent, non-volatile memory that stores boot instructions (BIOS) written during manufacturing.
Q2815.The core hardware architecture of a CPU consists of which basic components?
Correct Answer: D
A standard CPU integrates an ALU (processing), Control Unit (coordination), Registers (storage), Cache, and Internal Buses.
Q2816.In data storage units, what does PB stand for?
Correct Answer: A
PB stands for Petabyte, a massive unit of digital data equivalent to 1,000 Terabytes (or 1,024 TB in binary).
Q2817.The computer's volatile main memory, such as RAM, is also formally referred to as ______?
Correct Answer: D
Primary Storage, Primary Memory, Internal Memory, and RAM are all equivalent terms for a computer's volatile main memory.
Q2818.What does the hardware connection standard SATA stand for?
Correct Answer: B
SATA stands for Serial Advanced Technology Attachment, an interface standard for connecting storage drives (HDDs/SSDs) to the motherboard.
Q2819.In educational and training technologies, what does CAI stand for?
Correct Answer: C
CAI stands for Computer Assisted Instruction, which refers to interactive instructional methods using computers to teach learners.
Q2820.What was the name of the first operational packet-switching network that laid the basis for the modern Internet?
Correct Answer: D
ARPANET (Advanced Research Projects Agency Network) was created by the US DoD in 1969 and laid the foundational technologies of the Internet.