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Q. Explain about Cathode Ray Tubes?
Cathode ray tube is the major technology on that televisions and monitors have been based. CRT is a partially evacuated glass tube which is filled with inert gas at low pressure. A specially designed Cathode (negatively charged electrode) shoots beams of electrons at high speed in the direction of an anode (positively charged electrode) which imposes on screen that is coated with small phosphor coated dots of the three primary colours. This cathode is also known as an Electron Gun. Actually there can be three separate guns for three colours (Red, Green and Blue) or one gun for all three.
Q. Explain Real time system? A real time system defines an interactive processing system with severe time limitations. A real-time system is used whenever there are rigid time
A computer system that allows multiple users to run programs at similar time Multi tasking system
The UNIX operating system for a multiprocessor system has a number of extra features as compared to normal UNIX operating system. Let's first consider the design objectives of mul
The Towers of Hanoi Problem Towers of Hanoi problem is described. There are three pegs on which disks are "threaded" (there are holes in the disks to allow them to be placed on
Illustrate some notations of object modeling notations A classifier is a mechanism which describes behavioural and structural features. In UML significant classifiers are cla
Explain Elimination of common sub expression during code optimization An optimizing transformation is a regulation for rewriting a segment of a program to enhance its execution
Super scalar architecture Pentium microprocessor is organized with three execution units. One executes floating-point instructions and other two (U-pipe and V-pipe) execute in
Write Relational algebra expressions for the given queries. (i) List the employee numbers, employee names and their manager numbers working in several branches who earn more than
Name the fastest media of data transfer Fiber Optic.
Explain the Programmable ROM (PROM) - Computer Memory? This is a kind of ROM that can be programmed using special equipment it can be written to, but only once and this is usef
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