Storage capacity of magnetic disk depends on

A) tracks per inch of surface
B) bits per inch of tracks
C) disk pack in disk surface
D) All of above

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Which of the following is used as a primary storage device ?

A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above

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The value of each bead in heaven is

A) 1
B) 3
C) 5
D) 7

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Each set of Napier’s bones consisted of ______ rods.

A) 5
B) 9
C) 11
D) 13

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The terminal device that functions as a cash register, computer terminal, and OCR reader is the:

A) Data collection terminal
B) OCR register terminal
C) Video Display terminal
D) POS terminal

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