A) The opposition offer to the flow of charges in a conductor is called resistance B) Resistance of metal is lower C) Resistance of insulator is higher
D) Resistance of semi conducter is in between
Answer: A
#35 ___________ memory is a type memory which need power to retain its data.
A) Volatile B) Non-Volatile C) Secondary
D) Magnetic
Answer: A
#36 how many types of network are there
A) 4 B) 3 C) 2
D) 1
Answer: A
#37 The number of pixels (or dots) per square inch area of a monitor is called
A) Size B) Resolution C) Dot Pitch
D) Refresh Rate
Answer: B
#38 Which of the following is not an input device?
A) Mouse B) Scanner C) Digital Camera
D) Speaker
Answer: D