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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. Show the Comparison of ASCII and EBCDIC? EBCDIC is an easier to employ code on punched cards due to BCD compatibility. But ASCII has some of major benefits on EBCDIC. These
Evaluate x = A ‾.B + C ( ) using the convention A = True and B = False. Ans. Simplify given expression x = A ‾ .B + C ( ) as = A ‾ B + C (A ‾ + D ‾ ) (As = A ‾ +D ‾ usin
electro chemical series and its applications
What is a system call? A system call is a request made through any program to the operating system for performing tasks, picked by a predefined set, that the said
Q. Explain about truth table and logic diagram? A Boolean function can be realized in a logic circuit employing the basic gates: - AND, OR & NOT. Concern here for illustration
Reassembling of IP fragments at the ultimate destination is advantageous. Give reasons. Needing the ultimate destination to reassemble the fragments has two major advantages. F
In .NET Compact Framework, can I free memory explicitly without waiting for garbage collector to free the memory? Yes you can clear the memory using gc.collect method but it i
Serial Execution Execution of a program consecutively, one statement at a time. In the easiest sense, this is what occurs on a one processor machine. However, even many of the
Which work process triggers database changes? Update work process
Write a short note on MMX technology. MMX (Multimedia extensions) technology adds 57 new instructions to instruction set of the Pentium - 4 microprocessors. MMX technology also
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