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Microcomputer
A microprocessor is a general purpose central processing until of a digital computer system. It has arithmetic logical unit control circuits and a set of registers on a signal chip. To make it a complete systems ( called microcomputer) we have to add read only memory (FROM) random access memory (RAM) and number of input / output device through systems buses as shown in figure.
In college laboratories we have signal board microcomputers. These microcomputer have 8 to 16 bit microprocessor ROM RAM hex keyboard and seven segment LED display unit. A monitor program is stored in ROM less than 2 k bytes to interact memory and input/ output devices.
A larger microcomputer is known as personal computer used generally for personal or business purpose. It is equipped with many additional special purpose devices like floppy disk drive and hard disk drive for mass storage larger keyboard 108 or more keys CRT display monitor CD drive etc. In these computer operating systems is required instead of monitor program to interact with larger memory and various special purpose inputs/ output devices. Commonly used operating systems are DOS UNIX and many version of Microsoft windows ( 98 ,XP , ME, etc) such computer may be used in general purpose software applications.
Draw the memory map of TPA in a personal computer and explain different areas. The transient program area holds the DOS operating system and other programs which control the co
Q. Elucidate the process of inter-register signalling. Ans: Registers are used in common control exchanges to store as well as analyze routing data. They are provided on a
Q. Frequency-controlled induction-motor drives ? The converters employed for variable-frequency drives can be classified as: • Voltage-source inverter (which is the only one
Long-Term Plans for Technical Loss Reduction Long-term measures for technical loss reduction include all measures that require to be taken for the improvement of quality and r
Consider the RL circuit of Figure with R = 2, L = 5H, and v(t) = V = 20 V (a dc voltage source). Find the expressions for the inductor current i L (t) and the inductor voltage v L
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write a note on vulcanization
Define the basic working principle , process characteristics,advantages, disadvantages and application of Laser Beam Machining Process.
Q. A balanced delta-connected load has a per-phase impedance of 45 60° . It is connected to a three-phase, 208-V, 60-Hz supply by a three- phase feeder that has a per-phase impeda
1. Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000Πt cos 4000Πt (b) A binary channel with bit rate 36000 bps is available for PCM voice transmission.
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