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Device drivers are special programs installed by config.sys file to control installable devices. So personal computers can be expanded at some future time by installation of new devices.
Device driver is .com file organized in 3 parts.
1) The leader
2) The strategy procedure
3) The interrupt procedure
The driver has either .sys or .exe extension and is originated at offset address 0000h.
Used to interrupt CPU normal implementation routine and to get its attention .Mostly generated by an external devices, timers, counters...etc
What is the use of status command, data output command, and data input command. A status command is used to test a variety of status conditions in the interface and the periphe
Consider that a list of record or a table is stored in the memory and you wish to find some information in that particular list. E.g. the list comprises three fields as displayed b
First we must go to bios and should check boot sequence,local add statusOr we should check RAM & check h.d.d cable. check cd writer for cd or dvd
Decision Trees: Visualize you only ever do four things at the weekend such as go shopping or watch a movie or play tennis and just stay in. In such case what you do depends on
Which algorithm is used to solve computational problems If we want to solve any problem then we use a series of well-defined steps. These steps are collectively known as algori
What are the Digital certificates of hardware computations Digital certificates are highly dependent on hardware computations, it is essential that mechanisms are evolved to i
An 8086 interrupt can take placedue to the following reasons: 1. Hardware interrupts caused by some external hardware device. 2. Software interrupts that can be invoked wit
The verification method states how Robot compares the baseline data captured while recording with the data captured during playback.
Define about Abstraction- object oriented systems Abstraction is one of the most important ideas of object oriented systems Abstraction focus on the necessary, inherent aspec
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