CSS - PMS - CCE - PCS - Basic Computing MCQs

Correct Answer: A. Monitor Fact Check: A monitor displays output on screen. This output is called soft copy. A. Correct — Monitor is right because A monitor displays output on screen. This output is called soft copy. B. Printer is not correct because it does not match the verified fact: A monitor displays output on screen. This output is called soft copy. C. Scanner is not correct because it does not match the verified fact: A monitor displays output on screen. This output is called soft copy. D. Keyboard is not correct because it does not match the verified fact: A monitor displays output on screen. This output is called soft copy.

Correct Answer: B. Speaker Fact Check: A speaker is an output device used to produce sound. A. Keyboard is not correct because it does not match the verified fact: A speaker is an output device used to produce sound. B. Correct — Speaker is right because A speaker is an output device used to produce sound. C. Mouse is not correct because it does not match the verified fact: A speaker is an output device used to produce sound. D. Scanner is not correct because it does not match the verified fact: A speaker is an output device used to produce sound.

Correct Answer: B. Scanner Fact Check: A scanner converts paper documents or images into digital form. A. Printer is not correct because it does not match the verified fact: A scanner converts paper documents or images into digital form. B. Correct — Scanner is right because A scanner converts paper documents or images into digital form. C. Speaker is not correct because it does not match the verified fact: A scanner converts paper documents or images into digital form. D. Projector is not correct because it does not match the verified fact: A scanner converts paper documents or images into digital form.

Correct Answer: B. Mouse Fact Check: A mouse is a pointing device used to move the cursor or pointer on the screen. A. Keyboard is not correct because it does not match the verified fact: A mouse is a pointing device used to move the cursor or pointer on the screen. B. Correct — Mouse is right because A mouse is a pointing device used to move the cursor or pointer on the screen. C. Printer is not correct because it does not match the verified fact: A mouse is a pointing device used to move the cursor or pointer on the screen. D. Speaker is not correct because it does not match the verified fact: A mouse is a pointing device used to move the cursor or pointer on the screen.

Correct Answer: C. CPU Fact Check: Registers are small, very fast memory locations inside the CPU. A. Monitor is not correct because it does not match the verified fact: Registers are small, very fast memory locations inside the CPU. B. Keyboard is not correct because it does not match the verified fact: Registers are small, very fast memory locations inside the CPU. C. Correct — CPU is right because Registers are small, very fast memory locations inside the CPU. D. Printer is not correct because it does not match the verified fact: Registers are small, very fast memory locations inside the CPU.

Correct Answer: A. 1024 MB Fact Check: 1 GB = 1024 MB in traditional computing measurement. A. Correct — 1024 MB is right because 1 GB = 1024 MB in traditional computing measurement. B. 100 MB is not correct because it does not match the verified fact: 1 GB = 1024 MB in traditional computing measurement. C. 8 MB is not correct because it does not match the verified fact: 1 GB = 1024 MB in traditional computing measurement. D. 10 MB is not correct because it does not match the verified fact: 1 GB = 1024 MB in traditional computing measurement.

Correct Answer: A. 1024 KB Fact Check: 1 MB = 1024 KB. This is an important memory-unit question. A. Correct — 1024 KB is right because 1 MB = 1024 KB. This is an important memory-unit question. B. 100 KB is not correct because it does not match the verified fact: 1 MB = 1024 KB. This is an important memory-unit question. C. 8 KB is not correct because it does not match the verified fact: 1 MB = 1024 KB. This is an important memory-unit question. D. 10 KB is not correct because it does not match the verified fact: 1 MB = 1024 KB. This is an important memory-unit question.

Correct Answer: C. 1024 bytes Fact Check: In traditional computer memory measurement, 1 KB = 1024 bytes. A. 100 bytes is not correct because it does not match the verified fact: In traditional computer memory measurement, 1 KB = 1024 bytes. B. 1000 bytes is not correct because it does not match the verified fact: In traditional computer memory measurement, 1 KB = 1024 bytes. C. Correct — 1024 bytes is right because In traditional computer memory measurement, 1 KB = 1024 bytes. D. 2048 bytes is not correct because it does not match the verified fact: In traditional computer memory measurement, 1 KB = 1024 bytes.

Correct Answer: C. GB Fact Check: GB is larger than MB, KB, and Byte. In basic computing, 1 GB = 1024 MB. A. KB is not correct because it does not match the verified fact: GB is larger than MB, KB, and Byte. In basic computing, 1 GB = 1024 MB. B. MB is not correct because it does not match the verified fact: GB is larger than MB, KB, and Byte. In basic computing, 1 GB = 1024 MB. C. Correct — GB is right because GB is larger than MB, KB, and Byte. In basic computing, 1 GB = 1024 MB. D. Byte is not correct because it does not match the verified fact: GB is larger than MB, KB, and Byte. In basic computing, 1 GB = 1024 MB.

Correct Answer: B. SSD Fact Check: SSD is faster than HDD because it has no moving mechanical parts and uses flash memory. A. Floppy disk is not correct because it does not match the verified fact: SSD is faster than HDD because it has no moving mechanical parts and uses flash memory. B. Correct — SSD is right because SSD is faster than HDD because it has no moving mechanical parts and uses flash memory. C. CD is not correct because it does not match the verified fact: SSD is faster than HDD because it has no moving mechanical parts and uses flash memory. D. DVD is not correct because it does not match the verified fact: SSD is faster than HDD because it has no moving mechanical parts and uses flash memory.

Correct Answer: C. Hard disk Fact Check: Hard disk is secondary storage because it stores data permanently for long-term use. A. RAM is not correct because it does not match the verified fact: Hard disk is secondary storage because it stores data permanently for long-term use. B. Register is not correct because it does not match the verified fact: Hard disk is secondary storage because it stores data permanently for long-term use. C. Correct — Hard disk is right because Hard disk is secondary storage because it stores data permanently for long-term use. D. Cache is not correct because it does not match the verified fact: Hard disk is secondary storage because it stores data permanently for long-term use.

Correct Answer: B. Very fast Fact Check: Cache memory is very fast memory located close to or inside the CPU. It improves processing speed. A. Very slow is not correct because it does not match the verified fact: Cache memory is very fast memory located close to or inside the CPU. It improves processing speed. B. Correct — Very fast is right because Cache memory is very fast memory located close to or inside the CPU. It improves processing speed. C. External only is not correct because it does not match the verified fact: Cache memory is very fast memory located close to or inside the CPU. It improves processing speed. D. Paper-based is not correct because it does not match the verified fact: Cache memory is very fast memory located close to or inside the CPU. It improves processing speed.

Correct Answer: C. ROM Fact Check: ROM is non-volatile, meaning it keeps data even when power is off. A. RAM is not correct because it does not match the verified fact: ROM is non-volatile, meaning it keeps data even when power is off. B. Cache only is not correct because it does not match the verified fact: ROM is non-volatile, meaning it keeps data even when power is off. C. Correct — ROM is right because ROM is non-volatile, meaning it keeps data even when power is off. D. Register only is not correct because it does not match the verified fact: ROM is non-volatile, meaning it keeps data even when power is off.

Correct Answer: A. Read Only Memory Fact Check: ROM means Read Only Memory. It stores permanent instructions needed to start the computer. A. Correct — Read Only Memory is right because ROM means Read Only Memory. It stores permanent instructions needed to start the computer. B. Random Only Memory is not correct because it is not the accepted expansion; the correct form is Read Only Memory. C. Read Output Machine is not correct because it is not the accepted expansion; the correct form is Read Only Memory. D. Run Only Memory is not correct because it is not the accepted expansion; the correct form is Read Only Memory.

Correct Answer: A. Random Access Memory Fact Check: RAM means Random Access Memory. It temporarily stores data and programs while the computer is running. A. Correct — Random Access Memory is right because RAM means Random Access Memory. It temporarily stores data and programs while the computer is running. B. Read Access Memory is not correct because it is not the accepted expansion; the correct form is Random Access Memory. C. Rapid Action Memory is not correct because it is not the accepted expansion; the correct form is Random Access Memory. D. Run Access Machine is not correct because it is not the accepted expansion; the correct form is Random Access Memory.

Correct Answer: B. Control Unit Fact Check: Control Unit controls and coordinates the activities of the computer system. A. Computer Unit is not correct because it is not the accepted expansion; the correct form is Control Unit. B. Correct — Control Unit is right because Control Unit controls and coordinates the activities of the computer system. C. Central Utility is not correct because it is not the accepted expansion; the correct form is Control Unit. D. Command Unit is not correct because it is not the accepted expansion; the correct form is Control Unit.

Correct Answer: A. Arithmetic Logic Unit Fact Check: ALU stands for Arithmetic Logic Unit. It performs calculations and logical comparisons. A. Correct — Arithmetic Logic Unit is right because ALU stands for Arithmetic Logic Unit. It performs calculations and logical comparisons. B. Advanced Learning Unit is not correct because it is not the accepted expansion; the correct form is Arithmetic Logic Unit. C. Automatic Logic User is not correct because it is not the accepted expansion; the correct form is Arithmetic Logic Unit. D. Arithmetic Local Unit is not correct because it is not the accepted expansion; the correct form is Arithmetic Logic Unit.

Correct Answer: A. ALU and CU Fact Check: CPU mainly consists of ALU and CU. ALU performs arithmetic and logic operations, while CU controls instructions. A. Correct — ALU and CU is right because CPU mainly consists of ALU and CU. ALU performs arithmetic and logic operations, while CU controls instructions. B. RAM and ROM is not correct because it does not match the verified fact: CPU mainly consists of ALU and CU. ALU performs arithmetic and logic operations, while CU controls instructions. C. Monitor and Printer is not correct because it does not match the verified fact: CPU mainly consists of ALU and CU. ALU performs arithmetic and logic operations, while CU controls instructions. D. Keyboard and Mouse is not correct because it does not match the verified fact: CPU mainly consists of ALU and CU. ALU performs arithmetic and logic operations, while CU controls instructions.

Correct Answer: B. Data processing Fact Check: The main function of a computer is data processing, which means converting raw data into meaningful information. A. Cooking is not correct because it does not match the verified fact: The main function of a computer is data processing, which means converting raw data into meaningful information. B. Correct — Data processing is right because The main function of a computer is data processing, which means converting raw data into meaningful information. C. Driving is not correct because it does not match the verified fact: The main function of a computer is data processing, which means converting raw data into meaningful information. D. Printing only is not correct because it does not match the verified fact: The main function of a computer is data processing, which means converting raw data into meaningful information.

Correct Answer: C. 8 bits Fact Check: 1 byte = 8 bits. This is one of the most repeated basic computing MCQs. A. 2 bits is not correct because it does not match the verified fact: 1 byte = 8 bits. This is one of the most repeated basic computing MCQs. B. 4 bits is not correct because it does not match the verified fact: 1 byte = 8 bits. This is one of the most repeated basic computing MCQs. C. Correct — 8 bits is right because 1 byte = 8 bits. This is one of the most repeated basic computing MCQs. D. 16 bits is not correct because it does not match the verified fact: 1 byte = 8 bits. This is one of the most repeated basic computing MCQs.