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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.
Explain the uses of thumbwheels Two thumbwheels are usually required to control the screen cursor in its horizontal and vertical position respectively. As the name implies,
How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo
Introduction Our research methodology requires gathering relevant data from the specified documents in order to analyze the material and arrive at more complete understanding
Task 1: Methodologies are 'regarded as a recommended series of steps and procedures to be followed in the course of developing an information system' and were introduced to im
Second Generation (1954-1962) The second generation saw various significant developments at every level of computer system design, from technology used to build the basic circu
Binary Search Now that the basic framework is working, it is time to begin implementing a few alternative search functions. Each of these search algorithms have strengths and
l need a help for my project pllz:) Write a program that will simulate ATM machine. The Program should prompt the user to enter a valid PIN password number of 5 digits (PIN: 12312)
What is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
The Syntex used to call a screen as dialog box (pop up)is CALL SCREEN STARTING AT ENDING AT
what is the work of pin daigram in 8086 microprocessor in assembly
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