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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.
SMTP Simple Mail Transfer Protocol, a protocol for sending e-mail messages among servers. Most e-mail systems that send mail over the Internet use SMTP to send messages from si
Direct inward dialling is used as a feature in? Direct inward dialling is utilized as a feature in EPABX.
The logic circuit shown in the given figure can be minimised to Ans. The minimised figure of logic diagram is D, the output of the logic circuit is as Y=(X+Y')'+(X'+(X+
EPROM contents can be erased by exposing it to ? Ans. By exposing EPROM contents to Ultraviolet rays, it can be erased. The Ultraviolet (UV) light passes throughout a window i
Explain Turing reducibility? Exponential time algorithms typically happens when we solve by searching by a space of solutions known as brute -force search
What are the different types of distributing frames used in exchanges? The various distribution frames used in exchange are demonstrated in figure. Every subscriber in a telep
First Generation Electronic Computers (1937-1953) Three machines have been promoted at different times as first electronic computers. These machines used electronic switches
8086 microprocessor comprises two independent units: 1. Bus Interface unit 2. Execution unit Please refer to Figure below. Figure: The CPU of INTEL 8086 Microp
Q. Sequential Execution of Instructions in RISC? Let's describe pipelining in RISC with an illustration program execution sample. Take the given program (R denotes register).
Q. Collective Communications? A number of message-passing systems allow communication involving more than two processors. Such type of communication can be known as collective
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