Question :

When was vacuum tube invented ?


A) 1900
B) 1906
C) 1910
D) 1880

Answer : B

Description :



Related Questions - 1


Which of the following IC was used in third generation of computers ?


A) SSI
B) MSI
C) LSI
D) Both a and b

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Related Questions - 2


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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Related Questions - 3


Which is considered a direct entry input device ?


A) Optical scanner
B) Mouse and digitizer
C) Light pen
D) All of the above

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Related Questions - 4


One millisecond is


A) 1 second
B) 10th of a seconds
C) 1000th of a seconds
D) 10000th of a seconds

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Related Questions - 5


Magnetic disks are the most popular medium for


A) Direct access
B) Sequential access
C) Both of above
D) None of above

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