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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.
Conversion of the decimal number 82.67 into Hexadecimal ? Ans. (1010010.10101011) 2 is the binary equivalent of decimal number 82.67. Now convert each 4-bit binary into an equ
What is a Process Scheduling? Scheduling is a key element of the workload management software that usually performs several or all of: Queuing Scheduling Monito
procedure of turning machine operation on markov algorithm
Please explain the construction and working of calomel electrode..
Basics of Caches: "The caches are situated on basis of blocks, the shortest amount of data which may be copied between 2 adjacent levels at a time. "If requested data by th
Q. Illustrate Arithmetic shifts with example? Arithmetic shifts ARITHMETIC SHIFT LEFT and ARITHMETIC SHIFT RIGHT are same as LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHTexcept th
SCSI Bus: Defined by ANSI - X3.131 50, 68 or 80 pins Max. transfer rate - 160 MB/s, 320 MB/s. SCSI Bus Signals Small Computer System Interface
Q. Describe about Digital Audio Tape? The most proper tape for backing up data from a disk today is Digital Audio Tape (DAT). It employs a 4mm tape covered in a cartridge. It e
Create a relationship among Employee and Sales tables using Emp No. Enforce referential integrity and select both cascade update and cascade delete options. Save the relationship.
Define the Products of Dynamic mode Dynamic model: A model of dynamic behaviour of user object. It defines important states of user object, the way that actions depend on
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