The way of doing business by using web is called:
Sources of entertainment
Web business
E-commerce
E-mail
The instrument which is used to display the magnitude of changing electric current is called:
Evacuated tube
Cathode rays oscilloscope
Television tube
Picture tube
Which type of capacitor is cylindrical in shape:
Paper capacitor
Mica capacitor
Variable capacitor
Plates capacitor
From which of the following we can get information almost about everything:
Book
Teacher
Computer
Internet
George Boole invented:
Boolean algebra
Arithmetic algebra
Mean algebra
Geometry
Which of the following is an insulator:
Copper
Iron
Silk
Silver