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
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above
Related Questions - 3
Which of the following is used as a primary storage device ?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above
Related Questions - 4
Modern Computers are very reliable but they are not
A) Fast
B) Powerful
C) Infallible
D) Cheap
Related Questions - 5
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board ?
A) Motherboard
B) Breadboard
C) Daughter board
D) Grandmother board