Online General Knowledge Quiz with Answers - 1

Question: 1

A transistor is made of

(A) A metal piece sandwiched between two intrinsic semiconductors

(B) Intrinsic semiconductors

(C) Doped semiconductors

(D) None of the above

Question: 2

In a transistor the emitter current is

(A) Equal to the base current

(B) Equal to the collector current

(C) Slightly less than the collector current

(D) Slightly more than the collector current

Question: 3

Modem is a device used for

(A) Either of the above

(B) Converting analog signals to digital signals

(C) Modulating signals

(D) None of the above

Question: 4

The technique of collecting information about an object from a distance without making physical contact with it is

(A) Space shuttle

(B) Remote accessing

(C) Remote control

(D) Remote sensing

Question: 5

Modern communication systems use

(A) Digital circuits

(B) Combination of analog and digital circuits

(C) Analog circuits

(D) None of the above