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Computer Science

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101

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Data Storage Units

easy
Computer Science

1 KB (Kilobyte) is equal to ____?

A
1024 Megabytes
B
1024 bits
C
1024 bytes
D
100 bits
Explanation and memory cue

1 KB (Kilobyte) is equal to 1024 bytes. This is the standard binary definition used in computing, where 1 kilobyte equals 2^10 bytes.

102

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Word Processing

easy
Computer Science

How can you remove tab stop markers?

A
Double-click the tab marker and choose 'Clear all'.
B
Drag the tab stop marker out of the ruler to remove it.
C
Right-click the tab stop marker and select 'Delete'.
D
Press the Delete key while the tab stop marker is selected.
Explanation and memory cue

To remove a tab stop marker in most word processors, you can drag the tab stop marker off the ruler, which deletes it from the document. This is a standard method in programs like Microsoft Word.

103

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Computer Organization

easy
Computer Science

ALU stands for ____?

A
Arithmetic Longest Unit
B
Arithmetic Logic Unit
C
Arithmetic Longest United
D
None of these
Explanation and memory cue

ALU stands for Arithmetic Logic Unit, which is a digital circuit used to perform arithmetic and logic operations in computers.

104

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History Of Computers

Easy
Computer Science

Who was the inventor of the computer?

A
Clifford Berry
B
George Boole
C
John Atanasoff and Clifford Berry
D
John V. Atanasoff
Explanation and memory cue

The Atanasoff–Berry Computer (ABC), developed by John Vincent Atanasoff and Clifford Berry, is considered the first electronic digital computing device. It laid the foundation for modern computing concepts, especially in binary arithmetic and electronic switching.

105

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Ms Powerpoint Basics

Easy
Computer Science

If you select the first and second slides and then click the New Slide button on the toolbar, what will happen?

A
A new slide is inserted as the second slide in the presentation
B
A new slide is inserted as the third slide in the presentation
C
A new slide is inserted as the first slide in the presentation
D
None of the above
Explanation and memory cue

In presentation software like MS PowerPoint, when multiple consecutive slides are selected and a new slide is inserted, it is placed after the last selected slide. Since slides 1 and 2 are selected, the new slide is inserted as the third slide.

106

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Web Technologies

easy
Computer Science

HTML stands for:

A
Hyper Text Magic Line
B
Hyper Text Markup Line
C
Hyper Text Markup Language
D
Hyperlinks and Text Markup Language
Explanation and memory cue

HTML stands for Hyper Text Markup Language, which is the standard language used to create and design web pages.

107

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Internet Protocols

easy
Computer Science

What does HTTPS stand for?

A
Hypertext Transfer Protocol Secure
B
Hypertext Transfer Protocol start
C
Hyperlink Transfer Protocol Secure
D
None of these
Explanation and memory cue

HTTPS stands for 'Hypertext Transfer Protocol Secure,' which is the secure version of HTTP used for secure communication over a computer network.

108

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Computer Viruses

easy
Computer Science

The first boot sector virus is:

A
computed
B
mind
C
brian
D
None of These
Explanation and memory cue

The first boot sector virus is 'Brain', which was created in 1986 by two brothers from Pakistan. It infected the boot sector of storage media, making it the earliest known example of this type of virus.

109

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Computer Hardware Basics

easy
Computer Science

USB stands for ____?

A
Uniform Serial Bus
B
Uniform System Bus
C
Universal Serial Bus
D
Universal System Bus
Explanation and memory cue

USB stands for 'Universal Serial Bus,' which is a standard for cables, connectors, and protocols used for connection, communication, and power supply between computers and electronic devices.

110

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Ms Word Formatting

easy
Computer Science

Which indent marker in MS Word indents all lines of a paragraph except the first line?

A
First Line Indent Marker
B
Hanging Indent Marker
C
Left Indent Marker
D
Right Indent Marker
Explanation and memory cue

The Hanging Indent Marker in MS Word indents all lines of a paragraph except for the first line. This is commonly used in bibliographies and reference lists.