technology general knowledge questions

21.

In which decade was the transistor invented?
A.     1940s    B.     1950s
C.     1960s    D.     1980s
Answer & Explanation

Answer: Option A

Explanation:

On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management.
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22.

A JPG is…
A.     A Jumper Programmed Graphic
B.     A format for an image file
C.     A type of hard disk
D.     A unit of measure for memory
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
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23.

A dual-layer DVD is valued because it:
A.     Can hold more data
B.     Contains a backup of the data stored
C.     Uses a second layer to offer a speed increase
D.     Creates alternative sound tracks
Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.
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24.

To select text by shading as you drag the mouse arrow over the text is known as…
A.     Clip art
B.     To highlight
C.     To fetch
D.     To decode
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
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25.

Another word for ‘Graphics for a word processor’?
A.     Peripheral
B.     Clip art
C.     Highlight
D.     Execute
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question.

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