Computer Introduction Basic Concepts Competitive Exams
60 questions · Basic Computer & IT
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Question 1 of 60
The file extension .docx is used for
ExplanationExcel uses .xlsx and PowerPoint uses .pptx.
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Question 2 of 60
Charles Babbage is known as the
ExplanationHe designed the Analytical Engine in the 19th century.
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Question 3 of 60
The programs and instructions that run on a computer are called
ExplanationSoftware cannot be touched.
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Question 4 of 60
Raw facts and figures given to a computer are called
ExplanationData becomes information after processing.
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Question 5 of 60
A computer is an electronic device that
ExplanationA computer takes input, processes it by instructions (program) and gives output; it can also store data.
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Question 6 of 60
Which of these is a characteristic of a computer?
ExplanationComputers perform tasks fast and accurately but need instructions.
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Question 7 of 60
Which of the following is an output device?
ExplanationOutput devices show or give results.
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Question 8 of 60
One byte consists of
ExplanationA byte usually stores one character.
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Question 9 of 60
Which of the following is the correct order from smallest to largest?
ExplanationEach unit is 1,024 times the previous one.
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Question 10 of 60
The internet is best described as
ExplanationIt connects millions of computers using TCP/IP.
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Question 11 of 60
A bit stands for
ExplanationA bit is the smallest unit of data, either 0 or 1.
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Question 12 of 60
The four basic functions of a computer are
ExplanationThese functions form the IPO (input-process-output) cycle with storage.
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Question 13 of 60
The smallest unit of data in a computer is
ExplanationA bit is a single 0 or 1.
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Question 14 of 60
Processed and meaningful data is called
ExplanationExample: marks of students are data; the result card is information.
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Question 15 of 60
GIGO stands for
ExplanationIf incorrect data is entered, the output will also be incorrect.
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Question 16 of 60
ENIAC was one of the earliest
ExplanationIt was developed in the 1940s and used vacuum tubes.
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Question 17 of 60
Processed and meaningful data is called
ExplanationExample: marks of students are data; the result card is information.
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Question 18 of 60
The smallest unit of data in a computer is
ExplanationA bit is a single 0 or 1.
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Question 19 of 60
ENIAC was one of the earliest
ExplanationIt was developed in the 1940s and used vacuum tubes.
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Question 20 of 60
GIGO stands for
ExplanationIf incorrect data is entered, the output will also be incorrect.
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Question 21 of 60
The physical parts of a computer are called
ExplanationYou can touch hardware, such as the monitor and keyboard.
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Question 22 of 60
RAM is called volatile memory because
ExplanationRAM holds data temporarily while the computer is on.
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Question 23 of 60
RAM is called volatile memory because
ExplanationRAM holds data temporarily while the computer is on.
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Question 24 of 60
The four basic functions of a computer are
ExplanationThese functions form the IPO (input-process-output) cycle with storage.
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Question 25 of 60
Which of the following is an input device?
ExplanationInput devices send data to the computer.
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Question 26 of 60
The language that computers directly understand is
ExplanationOther languages must be translated into machine language.
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Question 27 of 60
The programs and instructions that run on a computer are called
ExplanationSoftware cannot be touched.
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Question 28 of 60
CPU speed is commonly measured in
ExplanationClock speed shows the cycles per second.
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Question 29 of 60
The process of starting a computer is called
ExplanationThe BIOS/firmware loads the operating system during booting.
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Question 30 of 60
The number system used internally by computers is
ExplanationDigital circuits have two states, represented by 0 and 1.
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Question 31 of 60
The mouse was invented by
ExplanationHe demonstrated the first mouse in the 1960s.
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Question 32 of 60
One byte consists of
ExplanationA byte usually stores one character.
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Question 33 of 60
Which of the following is an input device?
ExplanationInput devices send data to the computer.
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Question 34 of 60
The internet is best described as
ExplanationIt connects millions of computers using TCP/IP.
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Question 35 of 60
One kilobyte (KB) is equal to
ExplanationComputers use powers of two, so 1 KB = 2 to the power 10 = 1,024 bytes.
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Question 36 of 60
Raw facts and figures given to a computer are called
ExplanationData becomes information after processing.
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Question 37 of 60
The mouse was invented by
ExplanationHe demonstrated the first mouse in the 1960s.
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Question 38 of 60
Which of these is a characteristic of a computer?
ExplanationComputers perform tasks fast and accurately but need instructions.
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Question 39 of 60
A bit stands for
ExplanationA bit is the smallest unit of data, either 0 or 1.
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Question 40 of 60
The file extension .docx is used for
ExplanationExcel uses .xlsx and PowerPoint uses .pptx.
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Question 41 of 60
The abbreviation PC stands for
ExplanationA PC is designed for use by one person.
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Question 42 of 60
The world's first computer programmer is considered to be
ExplanationShe wrote an algorithm for Babbage's Analytical Engine.
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Question 43 of 60
An algorithm is
ExplanationIt is usually converted into a program.
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Question 44 of 60
The world's first computer programmer is considered to be
ExplanationShe wrote an algorithm for Babbage's Analytical Engine.
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Question 45 of 60
The part of the computer known as its 'brain' is the
ExplanationThe Central Processing Unit executes instructions and controls other parts.
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Question 46 of 60
The part of the computer known as its 'brain' is the
ExplanationThe Central Processing Unit executes instructions and controls other parts.
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Question 47 of 60
The abbreviation PC stands for
ExplanationA PC is designed for use by one person.
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Question 48 of 60
The language that computers directly understand is
ExplanationOther languages must be translated into machine language.
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Question 49 of 60
An algorithm is
ExplanationIt is usually converted into a program.
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Question 50 of 60
Which of the following is an output device?
ExplanationOutput devices show or give results.
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Question 51 of 60
The process of starting a computer is called
ExplanationThe BIOS/firmware loads the operating system during booting.
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Question 52 of 60
The physical parts of a computer are called
ExplanationYou can touch hardware, such as the monitor and keyboard.
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Question 53 of 60
ROM is
ExplanationROM stores permanent start-up instructions.
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Question 54 of 60
One kilobyte (KB) is equal to
ExplanationComputers use powers of two, so 1 KB = 2 to the power 10 = 1,024 bytes.
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Question 55 of 60
CPU speed is commonly measured in
ExplanationClock speed shows the cycles per second.
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Question 56 of 60
Which of the following is the correct order from smallest to largest?
ExplanationEach unit is 1,024 times the previous one.
-
Question 57 of 60
A computer is an electronic device that
ExplanationA computer takes input, processes it by instructions (program) and gives output; it can also store data.
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Question 58 of 60
Charles Babbage is known as the
ExplanationHe designed the Analytical Engine in the 19th century.
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Question 59 of 60
ROM is
ExplanationROM stores permanent start-up instructions.
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Question 60 of 60
The number system used internally by computers is
ExplanationDigital circuits have two states, represented by 0 and 1.
0 / 60 answered · 0 skipped
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