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Explain the term- Tracker ball and Braille printers
Tracker ball
Easier to use than a mouse if people have problems using their arms and hands or if they have a coordination problemBraille printersDot matrix printers can be modified to produce raised dots (i.e. Braille) - this helps blind and partially-sighted people to read the output
primlncipal of edtamethod
Q. Explain about disk caching scheme? The disk caching scheme can be used to speed up performance of disk drive system. A set (cache) of buffers is assigned to hold some disk b
Explain Assembly Language This is a family of low-level language for programming computers, microprocessors, microcontrollers etc. They implement a symbolic sign of the numeric
Q. What is Flash Memory? This memory is other form of semiconductor memory that was first introduced in mid-1980. These memories can be reprogrammed at high speed and therefo
Q. Analysts in Computer Operations? Computer Operations: All of the shared computers comprising mainframes, minicomputers and other computers are put to operation and same is c
What is the decimal equivalent of the hexadecimal number 'A0' ? Ans. The decimal equivalent value is 160 of the hexadecimal number 'A0'. As A 0 16 1 16 0 =
Resource Dependence The parallelism among the instructions may also be affected because of the shared resources. If two instructions are using the related shared resource t
Q. Define Wait protocol? The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols:
What is schedulers? A process migrates between the various scheduling queues throughout its life time. The OS must select processes from these queues in some fashion. This sel
In this model a one process can have multiple, concurrent implementations paths. The major programs are scheduled to run by the native operating system. It loads and obtains all th
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