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
A dumb terminal has
A) an embedded microprocessor
B) extensive memory
C) independent processing capability
D) a keyboard and screen
Related Questions - 2
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 - 3
Which of the following was a special purpose computer?
A) ABC
B) ENIAC
C) EDVAC
D) All of the above
Related Questions - 4
Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd.
Related Questions - 5
Computers with 80286 microprocessor is
A) XT computer
B) AT computers
C) PS/2 computer
D) None of above