A mouse is a small hardware device that serves as an input and pointing tool. It is held by the hand and used to contro…

The Daisy wheel printer is an impact character printer. It is similar to a typewriter. The Daisy Wheel Printer has a pr…

Hard Copy Devices in Computer A hard copy device is a device that produces the output in a physical, and tangible copy …

What is OMR in a Computer? OMR stands for Optical Mark Reader (OMR) . It is a technology that allows a machine to recog…

What is Bar Code Reader in Computer? A barcode reader is a hand-held input device that is used to capture and read the …

What is Monitor in Computer Monitor is the most popular and mostly used output device. It displays all the work done on…

What is Pointing Device in Computer? In computer system a pointing device is a type of input device which allow the use…

Keyboard Keyboard is the main input device in computer system. It is used to enter the text and numeric data. And it lo…

What is Assembler in Computer? Assembler is a type of programming language translator. It is used to convert assembly l…

These are 4 Types of Memory Access Methods: 1. Sequential Access:-  In this method, data is accessed in a sequential ma…

What is Flash Memory in Computer? Flash Memory is a secondary memory so it is a non-volatile type of memory. Which mean…

What is Optical Disk? Optical Disk is a secondary storage device. Optical Disk is a computer disk which uses optical st…

What is Magnetic Disk? Magnetic Disk is a type of storage device which is used to store data. And a  Magnetic Disk  is …

What is Sequential Access? This is memory access method in computer and in this method, the memory is accessed in a spe…