Which is the most commonly used input device?
Keyboard
Printer
Monitor
Light pen
Which is the brain of the computer?
CU
ALU
CPU
Memory unit
Which one is similar to VDU?
LCD Projector
TV Screen
Speaker
Which input device is used to select various options?
Mouse
Scanner
Joystick
Disk drive
Which output is produced on paper for permanently?
Soft copy
Hard copy
Text copy
None of these
Which one is the earliest calculating device?
Abacus
Pascaline
Napier's Bones
Lebenitz Calculation
Which of the following device looks like a typewriter?
VDU
Which is the main memory of the computer?
Primary memory
Secondary memory
Random access memory
What does CPU stands for?
Central Processing Unit
Central Production Unit
Computer Processing Unit
Central Promoting Unit
Which is known as system board?
ROM
Modem
Motherboard
RAM