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Computer Science - Computer Fundamentals

Exercise : Computer Fundamentals - Section 15
11.
A hand-held device for optically reading bar codes on goods, labels & shelves is
Wand
Touch tablet
Mouse
Light pen
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In analog computer
Input is first converted to digital form
Input is never converted to digital form
Output is displayed in digital form
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The decimal equivalent of the binary number 11100001111 is
1806
1807
2806
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A disk storage medium in the form of an assembly containing a single rigid magnetic disk permenently is
fixed disk
disk cartridge
card punch
card reader
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The benefit of using computers are that
Computers are very fast and can store huge amounts of data
Computers produce accurate output even when the input is incorrect
Computers are designed to the inflexible
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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