Computer Science - Computer Fundamentals
Exercise :: Computer Fundamentals - Section 6
1. |
When an input electrical signal A=10100 is applied to a NOT gate, its output signal is |
A. |
01011 | B. |
10001 | C. |
10101 | D. |
00101 | E. |
None of the above |
Answer: Option A
Explanation:
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2. |
The first practical commercial typewriter was invented in 1867 in the United States by |
A. |
Christopher Latham Sholes | B. |
Carlos Glidden | C. |
Samuel Soule | D. |
All of the above | E. |
None of the above |
Answer: Option D
Explanation:
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3. |
What is meant by quad-density (QD) diskette? |
A. |
It is double-sided disk | B. |
It is double density disk | C. |
It has double the number of tracks per inch | D. |
All of the above | E. |
None of the above |
Answer: Option D
Explanation:
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4. |
Large computer system typically uses: |
A. |
Line printers | B. |
Ink-jet printers | C. |
Dot-matrix printers | D. |
Daisy wheel printers | E. |
None of the above |
Answer: Option A
Explanation:
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5. |
First generation computers are characterised by |
A. |
Vaccum tubes and magnetic drum | B. |
Minicomputers | C. |
Magnetic tape and transistors | D. |
All of the above | E. |
None of the above |
Answer: Option A
Explanation:
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