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Basic computer knowledge

Which of the following groups have only input devices ?

September 1, 2021April 2, 2019 by admin
Which of the following groups have only input devices ?

A. Mouse, Keyboard and Monitor
B. Mouse, Keyboard and Printer
C. Mouse, Keyboard and Plotter
D. Mouse, Keyboard and Scanner

Categories Basic computer knowledge

What would you do to highlight a word? You position the cursor next to the word, and then _____________________?

September 1, 2021April 2, 2019 by admin
What would you do to highlight a word? You position the cursor next to the word, and then _____________________?

A. Drag mouse while holding button down
B. Click mouse once
C. Roll mouse around
D. Roll and then click mouse

Categories Basic computer knowledge

A list of protocols used by a system, one protocol per layer, is called___________________?

September 1, 2021April 2, 2019 by admin
A list of protocols used by a system, one protocol per layer, is called___________________?

A. protocol architecture
B. protocol stack
C. protocol suit
D. none of these

Categories Basic computer knowledge

A single channel is shared by multiple signals by _____________________?

September 1, 2021April 2, 2019 by admin
A single channel is d by multiple signals by _____________________?

A. analog modulation
B. digital modulation
C. multiplexing
D. none of these

Categories Basic computer knowledge

Bits can be send over guided and unguided media as analog signal by___________________?

September 1, 2021April 2, 2019 by admin
Bits can be send over guided and unguided media as analog signal by___________________?

A. digital modulation
B. amplitude modulation
C. frequency modulation
D. phase modulation

Categories Basic computer knowledge

Which one of the following is a transport layer protocol used in internet ?

September 1, 2021April 2, 2019 by admin
Which one of the following is a transport layer protocol used in internet ?

A. TCP
B. UDP
C. Both A and B
D. none of these

Categories Basic computer knowledge

Codes consisting of bars or lines of varying widths or lenghts that are computer readable are known as__________________?

September 1, 2021April 2, 2019 by admin
Codes consisting of bars or lines of varying widths or lenghts that are computer readable are known as__________________?

A. An ASCII code
B. A magnetic tape
C. An OCR scanner
D. A bar code

Categories Basic computer knowledge

One puts information into the computer by pressing this key__________________?

September 1, 2021April 2, 2019 by admin
One puts information into the computer by pressing this key__________________?

A. Caps lock
B. Tab
C. Enter
D. Esc

Categories Basic computer knowledge

Powerful key that lets you exit a program when pushed____________________?

September 1, 2021April 2, 2019 by admin
Powerful key that lets you exit a program when pushed____________________?

A. Arrow key
B. Space bar
C. Escape key
D. Return key

Categories Basic computer knowledge

Which one of the following is not an application layer protocol ?

September 1, 2021April 2, 2019 by admin
Which one of the following is not an application layer protocol ?

A. media gateway protocol
B. dynamic host configuration protocol
C. resource reservation protocol
D. session initiation protocol

Categories Basic computer knowledge
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