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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.
Bitwise-Inclusive-OR Operator: inclusive-OR-expression : exclusive-OR-expression inclusive-OR-expression | exclusive-OR-expression The bitwise-inclusive-OR operator
Compare excess 3 codes and gray code. Ans. Excess 3 Codes 1. This is the other form of BCD code. All decimal digits are coded in 4 bit binary code. 2. The code
This unit introduces the most important ID terminology, explains why ID is important, and gives a description of the main ID activities and the characteristics of the ID process. I
What are the disadvantages of a Smart Card? Disadvantages of Smart Cards are as follows: a. The value of money can be depleted and recharged. b. Customers should keep
Define bidirectional bus? A bidirectional bus is that which permits the transfer of data either from memory to CPU during a read operation or from CPU to memory during write op
What are the restrictions on Subscreens? Subscreens have various restrictions. They cannot: Set their own GUI status Have a named OK code Call another screen
How many types of assemblies are there? Private, Public/Shared, Satellite. A private assembly is normally used by a one application, and is stored in the application's director
Distinguish between combinational logic circuits and sequential logic circuits. Ans: Combinational logic circuits:- (i) Outputs only depend upon present state of the i
SAP system configuration includes It includes :- a) Dialog tasks b) Update tasks.
Design a generalization-specialization hierarchy for a motor vehicle sales company. The company sells motorcyles,passenger cars,vans,and buses.justify your placement of attributes
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