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Output Devices
Video Display Unit (VDU) or Monitor
Video Display Unit is similar to a television. It is used to display the results of processes. The screen is illuminated by a number of dots known as pixels. The number of dots per unit area is called resolution. The higher the resolution, the better will be the quality of the picture. A lighted symbol in a form of a line or rectangle visible on the screen known as Cursor, to indicate the position for typing a command. If any keys are pressed, it moves along the alphabet typed. A typical Video Display Unit screen can accommodate 25 lines, each line consisting of 80 characters.
Printers
There are various kinds of printers. They are basically divided into two categories:
Impact printers and Non-impact printers.
describe the two fundament purpose of surveying
main task of sofware developper
RANDOM ACCESS MEMORY (RAM): The RAM-type memory will allow data to be written into it, as well as read from it. With very few exceptions, RAMS lose their contents when the powe
A Doctor Module Doctor has a list of the patients waiting for consultation. The doctor's module should include all the following details: Fields for common complaint
Global treps weighted scoring model
• A multilevel queue scheduling algorithm divides the ready queue in several separate queues, for example • In a multilevel queue scheduling processes are lastingly assigned to one
Memory unit of computer: The Memory unit is an important component of a computer where all the data and information are stored in the form of binary digits (combination of 0
write advantages and disadvantages of private and public network
what is operating system
Configuration of a PC: Generally, when you think of purchasing a Computer, you first try to exactly know what will be the hardware components such as processor, memory etc. of
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