Computer Science - Computer Fundamentals

26. 

Conversion of hexadecimal number 1D7F16 to a decimal number is

A. 755110
B. 877110
C. 555710
D. 778110
E. None of the above

Answer: Option A

Explanation:

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27. 

Microfilm reader is a

A. OCR device
B. COM device
C. MICR device
D. None of the above
E. All of the above

Answer: Option B

Explanation:

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28. 

In magnetic disks, data is organized on the platter in a concentric sets of rings called

A. sector
B. track
C. head
D. block
E. None of the above

Answer: Option B

Explanation:

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29. 

The data recording area between the blank gaps on magnetic tape is called a/ an:

A. Record
B. Block
C. Field
D. Database
E. None of the above

Answer: Option B

Explanation:

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30. 

Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

A. Daughterboard
B. Motherboard
C. Fatherboard
D. Breadboard
E. None of the above

Answer: Option B

Explanation:

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