Question :

When was vacuum tube invented ?


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

Answer : B

Description :



Related Questions - 1


The brain of any computer system is


A) ALU
B) Memory
C) CPU
D) Control unit

View Answer

Related Questions - 2


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


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

View Answer

Related Questions - 3


Which of the following was a special purpose computer?


A) ABC
B) ENIAC
C) EDVAC
D) All of the above

View Answer

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.

View Answer

Related Questions - 5


Which statement is valid about computer program?


A) It is understood by a computer
B) It is understood by programmer
C) It is understood user
D) Both A & B

View Answer