Q.81 Punched card is also called?
Video card
Sound card
Hollerith card
Accelerator card
Explanation
Punched cards are also known as Hollerith cards, named after Herman Hollerith, who developed the tabulating machine for the 1890 U.S. Census.
Q.82 Name the first general purpose electronic computer?
ADVAC
EDVAC
ADSAC
UNIVAC
Explanation
UNIVAC (Universal Automatic Computer) was the first general-purpose electronic digital computer designed for commercial use.
Q.83 Computer size was very large in which generation?
First Generation
Second Generation
Third Generation
Fourth Generation
Explanation
First-generation computers used thousands of vacuum tubes, which occupied entire rooms and generated significant heat.
Q.84 DOS stands for?
Disk operating system
Disk operating Session
Digital operating
Disk open system
Explanation
DOS (Disk Operating System) is a type of operating system that runs from a hard disk drive or floppy disk.
Q.85 Who is the Chief (Co-founder) of Microsoft?
Babbage
Bill Gates
Bill Clinton
None of these
Explanation
Bill Gates co-founded Microsoft with Paul Allen in 1975 and served as its long-time CEO and chief software architect.
Q.86 Which of the following are input devices?
Keyboard
Mouse
Card reader
Any of these
Explanation
Keyboards, mice, and card readers are all used to provide data and control signals to a computer.
Q.87 Which of the following are examples of output devices?
Screen
Printer
Speaker
All of these
Explanation
Screens (monitors), printers, and speakers all convey information processed by the computer to the user.
Q.88 Which of the following is also known as the brain of the computer?
Control unit
Central Processing unit (CPU)
Monitor
Arithmetic and language unit
Explanation
The CPU is called the brain of the computer because it performs all the data processing operations and controls all other parts.
Q.89 IBM stands for?
Internal Business Management
International Management
International Business Machines
Internal Business manage
Explanation
IBM stands for International Business Machines Corporation, a major American multinational technology company.
Q.90 Which of the following translates and executes a program at run time line-by-line?
Compiler
Interpreter
Loader
Linker
Explanation
An interpreter translates high-level instructions into machine code line-by-line during execution, unlike a compiler which translates the whole program at once.
Q.91 Which of the following is an OOP (Object-Oriented Programming) principle?
Structured programming
Procedural programming
Inheritance
Linking
Explanation
Inheritance is a core principle of OOP that allows a new class to take on the properties and behaviors of an existing class.
Q.92 COBOL is a programming language widely used in ________ applications.
Commercial
Scientific
Space
Mathematical
Explanation
COBOL (Common Business-Oriented Language) was specifically designed for business, finance, and administrative systems.
Q.93 RAM stands for?
Random origin money
Random only memory
Random access memory
Red only memory
Explanation
RAM (Random Access Memory) is a form of computer memory that can be read and changed in any order, typically used to store working data.
Q.94 1 Byte is equal to?
8 Bits
32 Bits
16 Bits
8 Bytes
Explanation
In computing, a byte is a unit of data that is almost always eight bits long.
Q.95 SMPS stands for?
Switched mode power supply
Start mode power supply
Store mode power supply
Single mode power supply
Explanation
An SMPS (Switched-Mode Power Supply) is an electronic power supply that uses a switching regulator to convert electrical power efficiently.
Q.96 The device used to carry digital data on analogue lines is called a?
Modem
Multiplexer
Modulator
Demodulator
Explanation
A Modem (Modulator-Demodulator) converts digital signals into analog signals for transmission and vice versa.
Q.97 VDU (Visual Display Unit) is also called?
Screen
Monitor
Modulator
Both A & B
Explanation
VDU stands for Visual Display Unit, which is synonymous with the computer’s monitor or screen.
Q.98 BIOS stands for?
Basic input output system
Binary input output system
Basic input off system
None
Explanation
BIOS (Basic Input/Output System) is firmware used to perform hardware initialization during the booting process.
Q.99 Who is the father of the C programming language?
Prof. John
Robert
Thomas Kurtz
Dennis Ritchie
Explanation
Dennis Ritchie created the C programming language at Bell Labs between 1972 and 1973.
Q.100 First generation computers were based on?
Transistor
Conductors
ICs
Vacuum Tubes
Explanation
The first generation of computers used vacuum tubes for circuitry and magnetic drums for memory.
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