India Exam Junction
[PSSSB Restorer 2023]
15. Which of the following was used in first generation of computers?
Vacuum Tubes
Registers
Chips
RISC
Correct Answer :
Vacuum Tubes
Solution
The first generation of computers (1940-1956) used vacuum tubes for circuitry and magnetic drums for memory. Vacuum tubes were large, generated a lot of heat, and were inefficient by today's standards, but they were the primary technology for computers at that time.