Question :
A) 1900
B) 1906
C) 1910
D) 1880
Answer : B
When was vacuum tube invented ?
A) 1900
B) 1906
C) 1910
D) 1880
Answer : B
Description :
Related Questions - 1
Which of the following is the first computer to use Stored Program Concept ?
A) UNIVAC
B) ENIAC
C) EDSAC
D) None of above
Related Questions - 2
in which year was UK’s premier computing event called ?The which computer? started ?
A) 1980
B) 1985
C) 1986
D) 1987
Related Questions - 3
Which of the following is not an input device ?
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
Related Questions - 4
What is required when more than one person uses a central computer at the same time ?
A) Light pen
B) Mouse
C) Digitizer
D) Terminal
Related Questions - 5
A modern electronic computer is a machine that is meant for
A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately