14521. Which one is Digital device, select from the choices below?
✅ A. Digital Clock
A. Digital Clock B. Automobile speed meter C. Clock with a dial and two hands D. All of them Read more
Author: Sheeraz Ahmed – Page 727
14522. Analog computer works on the supply of ____________?
✅ A. Continuous electrical pulses
A.Continuous electrical pulses B.Electrical pulses but not continuous C.Magnetic strength D.None of the above Read more
14523. Which of the following are components of Central Processing Unit (CPU) ?
✅ B. Arithmetic logic unit, Control unit
A. Arithmetic logic unit, Mouse B. Arithmetic logic unit, Control unit C. Arithmetic logic unit, Integrated Circuits D. Control Unit, Monitor Read more
14524. The brain of any computer system is___________?
✅ C. CPU
A. ALU B. Memory C. CPU D. Control unit Read more
14525. 1 Gigabyte is equal to ____________?
✅ D. 1024 megabytes
A. 1024 bits B. 1000 megabytes C. 1024 kilobytes D. 1024 megabytes Read more
14526. Which technology is used in compact disks?
✅ D. Laser
A. Mechanical B. Electrical C. Electro Magnetic D. Laser Read more
14527. What type of operating system MS-DOS is?
✅ A. Command Line Interface
A. Command Line Interface B. Graphical User Interface C. Multitasking D. Menu Driven Interface Read more
14528. A collection of system programs that controls and co-ordinates the overall operations of a computer system is called____________?
✅ B. Operating system
A. System software B. Operating system C. Utility program D. Device driver Read more
14529. WWW stands for___________?
✅ D. World Wide Web
A. World Whole Web B. Wide World Web C. Web World Wide D. World Wide Web Read more
14530. A light sensitive device that converts drawing, printed text or other images into digital form is___________?
✅ B. Scanner
A. Keyboard B. Scanner C. OMR D. None of these Read more