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Explain BIOS
The IBM PC has in its ROM a collection of routines, each of which performs some particular function such as reading a character from keyboard, writing character to CRT. This collection of routines is referred to as Basic Input Output System or BIOS.
Explain isolated I/O scheme. In I/O mapped I/O scheme the addresses allocated to memory locations can also be assigned to I/O devices. Because the same address may be assigned
why we plot graph to find bandwidth is drawn b/w av/avmax v/s frequency not av v/s frequency?
A communication system for a voice-band (3 kHz) channel is designed for a received SNR E b /N 0 at the detector of 30 dB when the transmitter power is Ps =-3 dBW. Find the value o
Q. Principle of Three-phase synchronous machines? In fact, with very few exceptions, three-phase synchronous machines are most commonly used for power generation. In general, t
Q. The truth table for F(A,B,C) = mi (2, 3, 4 5) is as follows: (a) Express F in a canonical sum-of-products form. (b) Minimize F in an SOP form, and obtain a possible realiz
Write short notes of the following. a) Microprocessor b) Modes of data transfer. c) I/O processor d) Associative memory e) Software and Hardware interrupt
Explain n - Type semiconductor. n - Type semiconductor:- (i) If small amount of pentavalent impurity is added with, to a pure semiconductor giving a large number of free
With the development of cheap and reliable operational amplifiers the need to design amplifier circuits has disappeared. However it is still necessary to utilise these devices in a
Q. With a suitable block circuit, show how linear sweep voltage is generated ? The above figure shows a basic sweep waveform generator. The switching action of the switch
cache size, blocks ?
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