Question :
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above
Answer : B
Why are vacuum tubes also called valves?
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above
Answer : B
Description :
Related Questions - 1
Which of the following statement is valid ?
A) Lady Augusta is the first programmer
B) Ada is the daughter of Lord Byron, a famous English poet
C) ADA is a programming language developed by US Defense
D) All of above
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
Related Questions - 3
The term gigabyte refers to
A) 1024 bytes
B) 1024 kilobytes
C) 1024 megabytes
D) 1024 gigabyte
Related Questions - 4
From which generation operating systems were developed ?
A) First
B) Second
C) Third
D) Fourth
Related Questions - 5
The main electronic component used in first generation computers was
A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above