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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.
What is a FIFO? FIFO is otherwise known as 'named pipes'. FIFO (first-in-first-out) is a particular file which is said to be data transient. Once data is read from named pipe,
Q. Convert the following BINARY numbers into HEXADECIMAL, double check by converting the result HEXADECIMAL to BINARY. a) 1101.0110 b) 1011.11010 c) 11110.01011
Q. What is Input - Output Instructions? An I/O instruction is stored in memory of computer and is fetched as well as executed by processor producing an I/O-related command for
Q. What are basic features that collaboration systems might have? ANSWER: Three basic features of collaboration systems are Web-conferencing, project management,
a. Define parsing? Give difference among top down parsing and bottom up parsing. b. Determine the self-relocating programs? Why self-relocating programs are less efficient then
Subtraction 11001-10110 using 1's complement Ans. 11001 - 10110 01001 is 1' s Compliment of 10110, so 1 1 0 0 1 + 0 1 0 0 1 ------------------ 1 0 0 0 1 0 Add 1
You presently work for an automotive parts supply store. Your company is growing, and is considering expansion. The company presently has three locations (North, South, and Central
What is process control block? Each process is shown in the OS by a process control block. It having many pieces of information associated with a specific process.
Explain definition of fibonacci Where an input value gives a trivial result, it is returned directly, otherwise the function calls itself, passing a changed version of the inpu
Explain data rates in public switched telephone network. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted with a nominal bandwid
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