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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.
Debugging Once a program has been written, it has to be tested first to ensure that it is free of errors. It is very normal that any program written will contain mistake
compound interest
Question 1 Consider the one-time pad encryption scheme to encrypt a 1-bit message m, and assume m is chosen with uniform distribution from message space M={0,1}. Let E1 be the eve
PROGRAMMABLE ROM (PROM): The user can program a PROM after purchase. Each memory bit element in the PROM contains a nichrome or silicon link that acts as a fuse. The user can
Explain for assignment with this title
What is waterfall model?
draw the logic diagram of 2*4 decoder in only NOR gate .include enable inputs .
QUESTION 1 We need to write Z specifications to record the information about passengers on board an aircraft. Here you are required to produce the specifications using appropr
text graphics audio video
QUESTION (a) You have been asked to design and implement a chat application. Which protocol would you used TCP or UDP? Justify your answer. (b) Explain why multithreading is
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