Which of the following are components of Central Processing Unit (CPU) ?

A. Arithmetic logic unit, Mouse
B. Arithmetic logic unit, Control unit
C. Arithmetic logic unit, Integrated Circuits
D. Control Unit, Monitor

What type of operating system MS-DOS is?

A. Command Line Interface
B. Graphical User Interface
C. Multitasking
D. Menu Driven Interface

A collection of system programs that controls and co-ordinates the overall operations of a computer system is called?

A. System software
B. Operating system
C. Utility program
D. Device driver

A light sensitive device that converts drawing, printed text or other images into digital form is?

A. Keyboard
B. Scanner
C. OMR
D. None of these