Computer Abbreviations MCQs

Computer

Computer Abbreviations MCQs

Practice Computer Abbreviations MCQs covering CPU, RAM, ROM, USB, OCR, OMR, MICR, URL, HTTP, HTML and other important abbreviations.

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Practice Questions

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Question #1
What does the abbreviation CPU stand for in computer science?
A. Central Processor Utility
B. Central Processing Unit
C. Computer Processing Unit
D. Control Processing Unit
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Correct Answer: Option B

Explanation:
CPU stands for Central Processing Unit. It is often referred to as the brain of the computer, responsible for executing instructions and managing the operations of all other components.
This question belongs to: Computer Computer Abbreviations
Question #2
In computer memory terminology, what is the full form of RAM?
A. Read Access Memory
B. Random Access Memory
C. Ready Application Memory
D. Real Allocation Module
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Correct Answer: Option B

Explanation:
RAM stands for Random Access Memory. It is a volatile type of memory used by the system to store data that is actively being used and processed by the CPU.
This question belongs to: Computer Computer Abbreviations
Question #3
Which of the following correctly expands the abbreviation ROM?
A. Read Only Memory
B. Rapid Operational Memory
C. Random Object Memory
D. Read Output Module
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Correct Answer: Option A

Explanation:
ROM stands for Read Only Memory. It is a non-volatile memory type that permanently stores boot instructions and critical system firmware like the BIOS.
This question belongs to: Computer Computer Abbreviations
Question #4
What does the acronym USB stand for when referring to computer hardware connectivity?
A. Universal System Board
B. Universal Serial Baseline
C. Universal Serial Bus
D. Unified System Bus
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Correct Answer: Option C

Explanation:
USB stands for Universal Serial Bus. It is an industry standard for cables, connectors, and protocols used for connection, communication, and power supply between computers and devices.
This question belongs to: Computer Computer Abbreviations
Question #5
In data entry and document processing, what does OCR stand for?
A. Operational Character Registry
B. Optimal Character Rendering
C. Optical Character Recognition
D. Optical Code Reader
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Correct Answer: Option C

Explanation:
OCR stands for Optical Character Recognition. It is a technology used to convert different types of documents, such as scanned paper documents or PDF files, into editable and searchable data.
This question belongs to: Computer Computer Abbreviations
Question #6
What is the full form of OMR, a technology frequently used to evaluate multiple-choice answer sheets in competitive exams?
A. Optimal Mark Registry
B. Optical Mark Recognition
C. Optical Management Reader
D. Output Mark Reader
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Correct Answer: Option B

Explanation:
OMR stands for Optical Mark Recognition. It is the process of capturing human-marked data from document forms such as surveys and tests.
This question belongs to: Computer Computer Abbreviations
Question #7
Which of the following is the correct full form of MICR, widely used in the banking industry for processing cheques?
A. Magnetic Ink Character Recognition
B. Maximum Ink Character Rate
C. Magnetic Information Character Reader
D. Magnetic Internal Code Reader
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Correct Answer: Option A

Explanation:
MICR stands for Magnetic Ink Character Recognition. It is a character recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents.
This question belongs to: Computer Computer Abbreviations
Question #8
What is the complete expansion of the abbreviation URL used to locate resources on the web?
A. Uniform Resource Linker
B. Universal Resource Locator
C. Universal Realtime Locator
D. Uniform Resource Locator
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Correct Answer: Option D

Explanation:
URL stands for Uniform Resource Locator. It is the global address of documents and other resources on the World Wide Web.
This question belongs to: Computer Computer Abbreviations
Question #9
In web protocols, what does HTTP stand for?
A. High Transfer Text Protocol
B. Hypertext Transmission Protocol
C. Hypertext Transfer Protocol
D. Hyperlink Transfer Program
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Correct Answer: Option C

Explanation:
HTTP stands for Hypertext Transfer Protocol. It is the foundational protocol used by the World Wide Web to define how messages are formatted and transmitted.
This question belongs to: Computer Computer Abbreviations
Question #10
What does HTML stand for in web development?
A. Hypertext Management Language
B. Hypertext Markup Language
C. Hyperlink Text Markup Language
D. Hypermedia Text Management Language
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Correct Answer: Option B

Explanation:
HTML stands for Hypertext Markup Language. It is the standard markup language used for creating documents designed to be displayed in a web browser.
This question belongs to: Computer Computer Abbreviations
Question #11
Regarding the secure variant of HTTP, what does the 'S' stand for in HTTPS?
A. System
B. Standard
C. Socket
D. Secure
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Correct Answer: Option D

Explanation:
In HTTPS, the 'S' stands for Secure. It indicates that the protocol uses TLS or SSL to encrypt communications between the client and the server.
This question belongs to: Computer Computer Abbreviations
Question #12
In computer memory subcategories, what does SRAM stand for?
A. Synchronous Random Access Memory
B. Static Random Access Memory
C. Sequential Random Access Memory
D. Serial Random Access Memory
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Correct Answer: Option B

Explanation:
SRAM stands for Static Random Access Memory. It uses flip-flops to store data and is faster and more expensive than DRAM, commonly used as cache memory.
This question belongs to: Computer Computer Abbreviations
Question #13
What is the full form of DRAM?
A. Digital Random Access Memory
B. Dynamic Random Access Memory
C. Direct Random Access Memory
D. Data Random Access Memory
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Correct Answer: Option B

Explanation:
DRAM stands for Dynamic Random Access Memory. It stores each bit of data in a separate capacitor within an integrated circuit and requires constant refreshing.
This question belongs to: Computer Computer Abbreviations
Question #14
Which of the following expands EEPROM correctly?
A. Electronic Erasable Programmable Read-Only Memory
B. Electrically Erasable Programmable Read-Only Memory
C. Electrically Encrypted Programmable Read-Only Memory
D. Extended Erasable Programmable Read-Only Memory
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Correct Answer: Option B

Explanation:
EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It is user-modifiable read-only memory that can be erased and reprogrammed repeatedly through the application of higher than normal electrical voltage.
This question belongs to: Computer Computer Abbreviations
Question #15
What does PROM stand for?
A. Peripheral Read-Only Memory
B. Primary Read-Only Memory
C. Programmable Read-Only Memory
D. Process Read-Only Memory
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Correct Answer: Option C

Explanation:
PROM stands for Programmable Read-Only Memory. It is a form of digital memory where the setting of each bit is locked by a fuse or antifuse, allowing it to be programmed only once.
This question belongs to: Computer Computer Abbreviations
Question #16
Within a CPU, what does the abbreviation ALU represent?
A. Arithmetic Logic Unit
B. Application Logic Unit
C. Array Logic Unit
D. Algorithm Logic Unit
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Correct Answer: Option A

Explanation:
ALU stands for Arithmetic Logic Unit. It is the part of the CPU that performs all arithmetic computations (addition, subtraction) and logical operations (AND, OR, NOT).
This question belongs to: Computer Computer Abbreviations
Question #17
Along with the ALU, the CPU contains a CU. What does CU stand for?
A. Core Unit
B. Central Unit
C. Control Unit
D. Computing Unit
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Correct Answer: Option C

Explanation:
CU stands for Control Unit. It directs the operation of the processor by telling the computer's memory, arithmetic/logic unit, and input and output devices how to respond to instructions.
This question belongs to: Computer Computer Abbreviations
Question #18
When discussing RAM specifications, what does SDRAM stand for?
A. Sequential Dynamic Random Access Memory
B. Synchronous Dynamic Random Access Memory
C. Static Dynamic Random Access Memory
D. Serial Dynamic Random Access Memory
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Correct Answer: Option B

Explanation:
SDRAM stands for Synchronous Dynamic Random Access Memory. It is a generic name for various kinds of dynamic random access memory that are synchronized with the clock speed that the microprocessor is optimized for.
This question belongs to: Computer Computer Abbreviations
Question #19
What is the full form of EPROM?
A. Electronic Programmable Read-Only Memory
B. External Programmable Read-Only Memory
C. Extended Programmable Read-Only Memory
D. Erasable Programmable Read-Only Memory
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Correct Answer: Option D

Explanation:
EPROM stands for Erasable Programmable Read-Only Memory. It is a type of computer memory chip that retains its data when its power supply is switched off, and can be erased by exposing it to strong ultraviolet light.
This question belongs to: Computer Computer Abbreviations
Question #20
In web terminology, what does XHTML stand for?
A. Express Hypertext Markup Language
B. Extensible Hypertext Markup Language
C. Extended Hypertext Markup Language
D. External Hypertext Markup Language
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Correct Answer: Option B

Explanation:
XHTML stands for Extensible Hypertext Markup Language. It is a hybrid between HTML and XML and is a stricter, more XML-based version of HTML.
This question belongs to: Computer Computer Abbreviations

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