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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.
function of electrostatic plotter
Software: A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system: key
A car battery is of 12 V. Eight dry cells of 1.5 V each connected in series can give 12 V. But such cells are not used in starting a car. Why?
The term ‘page traffic’ describes
Sets of individual statements making up a single code block are known as suites in Python. Composite or complex statements for example if, def while and class are those which neces
Computer Storage: Computer systems include two types of digital information storage: internal storage, within the CPU, and the backing (back up) storage on external devices su
difference between a compiler and a translator
Question 1 Explain boundary fill and flood fill polygon filling algorithm Question 2 Draw and explain the block diagram of typical workstation Question 3 Explain the ras
QUESTION (a) Consider a system with input x[n] and output y[n] that satisfy the difference equation: Y[n] = x[n] + 0.5 x[n-2] + 0.2 x[n+1]
Advantages:- • Sharing Treads permit the sharing of a lot resources that cannot be shared in process, for instance, sharing code section, data section, Operating System resource
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