A cluster of red, green and blue diodes is driven together to form a full-color pixel in a
Text and images are displayed on monitor by individual
Specialized vacuum tube in which images are produced when
The most common input device to control the movement of the cursor on the screen?
IBM introduced the first 8” floppy disk in 1971 which could store
The scanner used to verify the signatures written by magnetic ink in banks is
Which of the following port is used to connect DB-25 pin Modems or Scanners?
A computer monitor is also called a
Which is the most common computer keyboard layout?
microprocessor with memory and other parts. What’s the circuitry called?
A unit that receives information from CPU and converts into suitable human readable form is
A disk is divided into several concentric circles called
A unit of a computer system that brings data and instructions into the computer
Which of the following term do not refer to an expansion card?
Which of the following is not a type of plotter
What is the device that captures images from photographic prints for computer editing and display?
Which of the following is not an optical storage medium?
In any information system if the data is processed right away it is called
What is there in system unit that holds a microprocessor chip, memory chips and expansion slots?
To record and produce sound in a computer system you need
The stuff would likely break if you threw it out of a fifth-story window is
RAM & ROM are classified based on
Devorak, Colemark, JCUKEN are some keyboard layouts for which scripts?
Which of the following is not a magnetic storage medium?
Memory chips are mounted on a circuit board usually known
The scanning technology that allows to read the check boxes affixed in predefined space is
We use following scanner to recognize the printed and typed texts
Identify the printer that uses a kind of hub having set
of spokes at the margin of the hub. When the required character is aligned to
the print hammer, the character is then struck into the ribbon to produce
character on paper.
A special-purpose output device that draws images with ink pens is
The process of capturing or collecting raw data, at the beginning of computer based information system, in to a form that is usable by the computer for processing.
Which company introduced the first desktop laser printer called LaserJet?
A standard CD ROM can hold data up to
The rotational delay time or latency time is also known as
Which of the following printer produces most noise?
The expansion slots or sockets accept additional expansion cards often known as
Which of the following type of mouse contain a ball on its underside and sensors to detect direction of ball movement?
The time taken to move an access arm to a certain track on a disk is
The storage capacity of a floppy disk is measured in
Which of the following is not a peripheral hardware device in a computer system?
Which of the following is not a hardware?