Which of the following is a secondary memory?
RAM
Hard disk
Data
ROM
Which device can record music, voice and sounds in the computer?
Scanner
Light pen
Microphone
Speaker
Which among the following is an input device?
Monitor
Printer
Mouse
What controls almost all functions on a computer?
ALU
CPU
CU
PCU
Which device is used to play game on computer?
Joy stick
Micro phone
What stores data and information temporarily?
Arithmetic and logic unit
Control unit
Memory unit
Power supply unit
Which of the following is the earliest calculating devices?
Abacus
Pascaline
Napier's Bones
Lebenitz Calculation
Which is known as the brain of computer?
Which of the following is used to scan pictures?
Joystick
Plotter
Which one of the following is also known as system mode?
Modem
Motherboard