Computer Fundamentals MCQs

Computer

Computer Fundamentals MCQs

Practice Computer Fundamentals MCQs with answers and detailed explanations covering computer basics, characteristics, types of computers, generations of computers and fundamental concepts frequently asked in SSC, Railway, Banking, UPSC, JKSSB and other competitive exams.

326
Total Questions

Practice Questions

Page 9 of 17
Question #161
Which of the following is a characteristic of first-generation computers?
A. Used high-level languages
B. Used magnetic cores
C. Used microprocessors
D. Used machine language
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
First-generation computers were programmed in machine language (binary) and used vacuum tubes.
This question belongs to: Computer Computer Fundamentals
Question #162
What does BIOS provide?
A. Graphical user interface
B. Internet connectivity
C. Low-level control of peripherals
D. File management
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
BIOS provides low-level control over hardware, such as keyboard and display, during boot process.
This question belongs to: Computer Computer Fundamentals
Question #163
Which device is used to input data from a printed paper?
A. Scanner
B. Touchscreen
C. Microphone
D. Webcam
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
A scanner converts printed text and images into digital data.
This question belongs to: Computer Computer Fundamentals
Question #164
What is the full form of EBCDIC?
A. External Binary Coded Decimal Interchange Code
B. Extended Binary Code Decimal Interchange Code
C. Efficient Binary Coded Decimal Interchange Code
D. Extended Binary Coded Decimal Interchange Code
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
EBCDIC stands for Extended Binary Coded Decimal Interchange Code, used in IBM mainframes.
This question belongs to: Computer Computer Fundamentals
Question #165
Which type of computer is used in scientific research requiring high-speed calculations?
A. Minicomputer
B. Supercomputer
C. Mainframe
D. Microcomputer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Supercomputers are built for high-speed, large-scale scientific computations.
This question belongs to: Computer Computer Fundamentals
Question #166
What is the primary advantage of a digital computer over an analog computer?
A. Lower cost
B. More accuracy
C. Continuous data processing
D. Higher speed
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Digital computers offer higher precision and accuracy because they process discrete values, while analog computers are continuous and less exact.
This question belongs to: Computer Computer Fundamentals
Question #167
Which of the following is an example of an analog computer?
A. Desktop PC
B. Smartphone
C. Tablet
D. Thermometer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
A thermometer is an analog device that measures continuous temperature changes, unlike digital computers that use discrete signals.
This question belongs to: Computer Computer Fundamentals
Question #168
What is the hexadecimal equivalent of decimal 15?
A. 10
B. F
C. E
D. 15
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
In hexadecimal, decimal 15 is represented as F.
This question belongs to: Computer Computer Fundamentals
Question #169
Which generation introduced high-level languages like FORTRAN and COBOL?
A. First
B. Fourth
C. Third
D. Second
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Second-generation computers (1950s-60s) saw the development of early high-level languages such as FORTRAN and COBOL.
This question belongs to: Computer Computer Fundamentals
Question #170
What is the function of a compiler?
A. Translates line by line
B. Translates high-level code to machine code all at once
C. Executes code without translation
D. Optimizes storage
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
A compiler translates the entire source code of a program into machine code before execution.
This question belongs to: Computer Computer Fundamentals
Question #171
Which type of memory is used as cache memory?
A. SRAM
B. DRAM
C. EPROM
D. EEPROM
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Cache memory typically uses Static RAM (SRAM), which is faster but more expensive than DRAM.
This question belongs to: Computer Computer Fundamentals
Question #172
What is the main difference between a mainframe and a supercomputer?
A. Mainframes are optimized for transaction processing, supercomputers for number crunching
B. Supercomputers handle multiple users better
C. Mainframes are faster
D. No difference
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Mainframes excel at handling many transactions (e.g., banking), while supercomputers excel at complex mathematical computations.
This question belongs to: Computer Computer Fundamentals
Question #173
Which of the following is a type of volatile memory?
A. Magnetic tape
B. Flash memory
C. Cache memory
D. ROM
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Cache memory (SRAM) is volatile; it loses data when power is off. ROM and flash are non-volatile.
This question belongs to: Computer Computer Fundamentals
Question #174
What does the acronym 'CPU' stand for?
A. Computer Personal Unit
B. Control Processing Unit
C. Central Program Unit
D. Central Processing Unit
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
CPU stands for Central Processing Unit, the primary component that executes instructions.
This question belongs to: Computer Computer Fundamentals
Question #175
Which number system is used internally by computers?
A. Hexadecimal
B. Decimal
C. Octal
D. Binary
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Computers use binary (base-2) because electronic switches can represent two states: on/off.
This question belongs to: Computer Computer Fundamentals
Question #176
What is the role of the operating system in memory management?
A. Permanently stores files
B. Defragments hard disk
C. Allocates memory to running processes
D. Connects to peripherals
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
The OS manages memory allocation for programs and ensures efficient use of RAM.
This question belongs to: Computer Computer Fundamentals
Question #177
Which of the following is an example of a microcomputer?
A. IBM z/OS mainframe
B. Apple MacBook
C. PDP-11 minicomputer
D. Cray supercomputer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Microcomputers include personal computers like laptops, desktops, and tablets.
This question belongs to: Computer Computer Fundamentals
Question #178
What is the binary equivalent of decimal 10?
A. 1110
B. 1001
C. 1010
D. 1100
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
10 in binary is 1010 (8+2).
This question belongs to: Computer Computer Fundamentals
Question #179
Which generation of computers is associated with artificial intelligence?
A. Fourth
B. Sixth
C. Fifth
D. Third
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Fifth-generation computers (1980s-present) focus on AI, parallel processing, and natural language understanding.
This question belongs to: Computer Computer Fundamentals
Question #180
What does VLSI stand for?
A. Very Low Scale Integration
B. Virtual Large Scale Integration
C. Very Large Scale Integration
D. Variable Large Scale Integration
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
VLSI refers to the process of creating integrated circuits by combining thousands of transistors on a single chip, used in fourth-generation computers.
This question belongs to: Computer Computer Fundamentals

More Computer Topics

Computer Abbreviations MCQs
Computer Hardware MCQs
Computer Networking MCQs
Computer Software MCQs
CPU (Central Processing Unit) MCQs
Cyber Security MCQs
Database Management System (DBMS) MCQs
Internet and Web Technologies MCQs
Memory and Storage Devices MCQs
Microsoft Office MCQs
Operating Systems MCQs
Programming Languages MCQs
Today's Top Topics
Computer Abbreviations 369 Computer Networking 325 Programming Languages 0 Microsoft Office 1199 Database Management System (DBMS) 278
Explore Subjects
Geography GK 6121 Current Affairs 575 Economy GK 2220 English 15164 Science 4430
Practice Mix
Simple interest on Rs. 1224000 for 3 years at 32% per annum is
Spot the error: 'These kind of mistakes are common.'
What is 'Edge Computing'?
If a:b = 4:10 and b:c = 10:12, then a:b:c = ?
The administrative position of 'Waqil' in the early Mughal hierarchy under Akbar was essentially equivalent to which role?