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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.
Binary is an alternative number system which works very good for computers. Humans have ten fingers; that's probably why we use ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) in our
What is a disk drive? The electro mechanical mechanism that spins the disk and moves the read/write heads known as disk drive.
An ActiveX interface is a group of linked functions that are grouped together
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
What is the difference between proc. sent BY VAL and By Ref? BY VAL: Alters will not be reflected back to the variable. By REF: Alters will be reflected back to that variab
Describe the role of Software developers Software developers have wide experience of tackling such issues. Students who develop software project spending days and nights strug
There are couple of benefit of LINQ over stored procedures. 1. Debugging - It is really very difficult to debug the Stored procedure but as LINQ is part of .NET, you can us
Q. When gravity is the merely force acting on an object the object is in what? Answer:- One respond is that it is in free-fall in a vacuum to eliminate atmospheric drag.
Describe the concept of pipelining. Ans: Pipelining is the means of executing machine instructions concurrently. This is the effective way of organizing concurrent activity in
Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl
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