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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.
The Karnaugh map for a SOP function is given below in figure. Determine the simplified SOP Boolean expression. Ans. F= B'C' + A'C'D + B'D'
What happens to logic after synthesis, which is driving an unconnected output port that is left open (, that is, noconnect) during its module instantiation? An unconnected out
How can common bus system be constructed A common bus system could be constructed using multiplexers. These multiplexers select source register whose binary information is then
What is an I/O channel? An I/O channel is actually a special purpose processor, also known as peripheral processor. The main processor initiates a transfer by passing the need
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, make sure th
Q. Major problems associated in writing with cache memories? The data in main and cache memory can be written by processors or I/O devices. The major problems associated in wri
For a non blocking crossbar configuration, taking N as the number of subscribers, there will be number of cross points and _ number of switches for est
Performance of computer system: Computer performance is frequently described in terms of clock speed (usually in MHz or GHz). It refers to the cycles per second of the main cl
A group of 20 servers carry traffic of 10 erlangs. If the average duration of a call is three minutes, calculate the number of calls put through by a single server and the group as
Levels of parallel processing We could have parallel processing at four levels. i) Instruction Level: Most processors have numerous execution units and can execute numero
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