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.