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