Computer Science - Computer Fundamentals

1.
When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
01011
10001
10101
00101
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The first practical commercial typewriter was invented in 1867 in the United States by
Christopher Latham Sholes
Carlos Glidden
Samuel Soule
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
What is meant by quad-density (QD) diskette?
It is double-sided disk
It is double density disk
It has double the number of tracks per inch
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Large computer system typically uses:
Line printers
Ink-jet printers
Dot-matrix printers
Daisy wheel printers
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
First generation computers are characterised by
Vaccum tubes and magnetic drum
Minicomputers
Magnetic tape and transistors
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.