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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.
State about movable joystick In another type of movable joystick, the stick is used to activate switches that cause the screen cursor to move at a constant rate in the selected
Not Understood
What are the Kernel threads Kernel threads are supported directly by the operating system .Thread creation; scheduling and management are done by the operating system. Thus the
The PHP Hypertext Pre processor is a programming language that permits web developers to make dynamic content that interacts with databases. PHP is basically used for developing we
External interface is interface between I/O interface and peripheral devices. Interface can be characterised into 2 main categories: (a) parallel interface and (b) serial interface
Q. What is Block size of cache memory? Block Size: Block size means unit of data (few memory words) exchanged between main and cache memory. As block size increases from very
The function noise.m, now installed on ashland too, adds Gaussian, salt, uniform and pepper, additive or multiplicative noise to an image
Give example of bus and memory transfer For example, the read operation for transfer of a memory unit M from address register AR to another data register DR can be illustrated
Double Negation - Artificial intelligence: Always parents are correcting their children for the use of double negatives, but we have to be very alert with them in natural langu
Op code mnemonics: Instructions (statements) in assembly language are usually very simple, unlike those that in high-level languages. Usually, an opcode is a symbol
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