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Impact Printers and non - Impact Printers:
Impact Printers:
These are printers in which the print-head strikes a ribbon, and include the daisywheel and thimble printer (good quality, but relatively inflexible and slow), and the dot-matrix printers. Dot-matrix printers have traditionally generated comparatively poor quality output, but the 24 pin and 48 pin versions are capable of producing high quality material. Colour options and graphics are available in some of the recent models.
Non-impact printers:
These are silent in operation and are improving in reliability and quality. These include ink-jet and ink-dot printers (particularly suitable for colour graphics); electrostatic printers (used on facsimile machines, etc.), and thermal transfer printers (suitable for smaller computer systems because of low cost, versatility, and portability). Colour printers are available in this type of printers, which are used in publishing add advertising.
im student of BSCS 1st semester and I have to make project for IT fair and I dont know computer that very much so please I required your help, help me if you can. thanks
Input a list of positive numbers, terminated by 0, into an array numbers []. Then display the array and the largest and smallest number in it.
Output devices: One of the most important output devices in computer system is its screen commonly called monitor. It is an output device and displays all the programs and app
Manipulate the following Boolean expression in such a way so that it can be implemented using exclusive-OR and AND gates only. AB''CD'' + A ''BCD'' + AB''C''D + A''BC''D
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write a program to solve a 10x10 maze. prompt the user for an input text file containing ten rows(ten characters on each row). Use following characters in the input file: * startin
High level languages: High level languages (converted to machine code by compiler or equivalent) are much easier to program, as well as to understand. Several high level langu
QUESTION (a) Can SSL be used to encrypt email data? Justify your answer (b) What are the three basic security provided by SSL? (c) State the port number used by applicati
What is a Structure?
Constant: In contrast to a variable, which is used as identifier for a value and which can change, constants are identifiers that are used for values, which cannot be changed.
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