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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.
system area
So far we have considered the problems of poor ID in terms of the loss of productivity and efficiency to business. There is another important aspect to consider: the issue of safet
Structural Classification Flynn's classification explains the behavioural idea and doesn't take concern into the computer's structure. Parallel computers can be categorized bas
explain different design interrupt processing?
What are the largest UDP messages that can fit into single Ethernet frame? UDP utilizes IP for delivery. As ICMP UDP packet is encapsulated in IP datagram. Therefore entire UDP
Why is the Wait-For-Memory-Function-Completed step required when reading from or writing to the main memory? WMFC step is needed for the write control signal / read control si
Write a program to display grade message according to the marks
Like ULINE the statement VLINE is used to insert vertical lines. No , Vline is not used to insert vertical lines.
Q. What is Shift operation? Shift: Shift operation is employed for transfer of bits either to left or to right. It can be used to comprehend simple arithmetic operation or da
Q. Illustrate working of rubber dome keyboards? Rubber Dome: In rubber dome keyboards both positioning and contact are controlled by a puckered sheet of elastomer that is a s
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