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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. Mention different classes of computer networks (on the basis of scale) and distinguish one from the other. Ans: Local Area Network (LAN) Metropolitan Area Netw
For F = A.B.C + B.C.D ‾ + A ‾.B.C, write the truth table to realize the function using NAND gates only ? Ans. Logic Function given as F = ABC + BC‾D + A‾BC, simplification o
ATM is an example of? ATM is illustration of Star topology.
decode the code
The number of control lines for 16 to 1 multiplexer is ? Ans. We have 16 = 2 4 , 4 Select lines are needed.
Explain the concept of variable-partition contiguous storage allocation. Suppose that we have 1024K main memory available in that 128K is occupied through operating system pro
Through two block diagrams explain the difference between Space division and time division switching. Space and Time Switching: Space Switches: Connections can be made i
Loop Level This is one more level of parallelism where iterative loop instructions can be parallelized. Fine Granularity size is used at this level also. Simple loops in a
Q. Steps uesd in quine mckluskey method? Step I: Build a table in that every term of expression is represented in row (Expression must be in SOP form). Terms can be expres
Calculate the blocking probably Pb in 100 line strowger switching system where 10 calls are in progress and 11th one arrives, probably that there is a call in a given decade = 1/10
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