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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.
Dynamic screen sequence for a screen can be set using which commands? It uses two commands:- A) Set Screen B) Call screen.
Q. Input output in assembly program? Software interrupt is a call to an Interrupt servicing program situated in the operating system. Generally the input-output routine in 8086
Differentiate between Protection and Security Operating system contains a collection of objects, hardware or software. Every object has a unique name and can be accessed via a
Which of following requires refreshing SRAM., DRAM., ROM. or EPROM. ? Ans. DRAM. requires refreshing.
One of the very useful things about Internet is that it enables almost instantly exchange of electronic message (e-mail) across the worlds. E-mail is a standard as well as popular
What is Functional Modelling We know that Data flow modelling is an ordinary technique used for analysis of a problem in software engineering. It is very useful for analyzi
What is synchronous DRAM? Synchronous DRAM's are those whose operation is directly synchronized with a clock signal.
Parallelism based on Grain size Grain size : Grain size/ Granularity are a measure that defines how much computation is involved in a process. Grain size is concluded by count
What is the significance of the screen number '0'? In "calling mode", the special screen number 0 (LEAVE TO SCREEN 0) causes the system to jump back to the last call level. Th
Explain carry save addition (CSA) process. Ans: Instead of allowing the carries ripple along the rows, they can be saved and then introduced into the next roe at the right wei
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