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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. Basic working of Semiconductors? Semiconductors are crystalline solid materials whose resistivities have values between those of conductors and insulators. Conductivity rang
Conversion of Decimal number 82.67 to its Binary Equivalent Ans. Firstly see the integer part 82 and determine its binary equivalent as The Binary equivalent is (101001
Draw and elucidate the block diagram of programmable interrupt controller 8259. The 8259A adds 8 vectored priority encoded interrupts to microprocessor. It can be expanded to 6
Somehow, the worksheet has external links to files that are no longer around. How can we delete the links? Ans) This happens all of the time to MrExcel. I downloaded a little
Define the component of a process precedence sequence? Ans. Process name, sequence operator and also concurrency operator components are process precedence sequence.
Q. Illustrate Minimization of Gates? The generalization of Boolean expression is much useful for combinational circuit design. The subsequent three techniques are used for this
Explain Tri-state logic inverter with the help of a circuit diagram. Give its Truth Table. Ans: Tri-state Logic Inverter: The functional diagram of Tri-state Logic Inve
To work with Internet as well as to utilize its facilities we use certain tools. For illustration, Telnet is a tool, which is utilized for logging on remote computers on the Intern
What is importance of RAS and CAS in SDRAM? SDRAM acquires its address command into two address words. This uses a multiplex scheme to save input pins. The initial address word
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