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Q. Interfacing of keyboards?
The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standard. In place of multiple data and handshaking signals as in RS-232 the keyboard employs just two signals by which it manages a bi-directional interface with its own set of commands.
Employing its elaborate handshaking mechanism keyboard and PC transmit commands and data to each other. USB keyboards work in a different way by using USB coding and protocol.
Bespoke versus off-the-shelf software Generally software packages are bought off-the-shelf. Though, certain applications (generally for industrial companies, commercial busines
The final selector is connected to the (A) calling subscriber. (B) switching network. (C) called subscriber. (D) li
Call request signal is: (A) Seize signal (B) Idle state signal (C) Line identification signal (D) Called subscriber alert signal Ans: Call request
Explain the Paging Unit Paging mechanism functions with 4K - byte memory pages or with a new extension available to Pentium with 4M byte-memory pages. In Pentium, with new 4M-b
How to enter from command mode to insertion mode using Vi Editor? Ans) There are various commands that put the VI editor into insert mode. The most usually used commands to get
Differentiate between Hardware and Software Another classification is software vs. hardware. Hardware is the collection of physical components, like chips, wires, PCBs, connect
Q. Initialize new PVM processes? pvm_spawn( char *task, char **argv, int flag, char *where, int ntask, int *tids ) Initialize new PVM processes. Task a character st
how to rotate shift right
Discuss the various enhanced services that can be made available to the subscribers because of stored program control. One of the instant benefits of stored program control is
There are two methods to update your BIOS chip: 1. Flash it (software method) 2. Program it with an EEPROM programmer. This is a hardware method. This is how we at BIOSMAN pr
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