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In MS-DOS device drivers are installed and loaded dynamically it implies that they are loaded into memory when computer is started or re-booted and accessed by operating system as needed. Technique has the benefit that it makes addition of a new driver much simpler so that it could be done by relatively unskilled users. The extra merit is that only those drivers that are in fact required need to be loaded in main memory. Device drivers to be loaded are defined in a special file known as CONFIG.SYS that should reside in root directory. This file is automatically read by MS-DOS at start-up of system and its contents acted upon. A list of some device name is as displayed below:
Device name Description
con: keyboard/screen
com1: serial port1
com2: serial port2
lpt1: printer port1
A: first disk drive
C: hard disk drive
Consider the data with categorical predictor x 1 = { green or red } and numerical predictor x 2 and the class variable y shown in the following table. The weights for a round
What is Control Unit Control Unit: The control unit issue control signals to perform exact operation and it directs the entire computer system to carry out keeps program instr
Q. Make a generalize program that performs r-ary subtraction on two numbers using (r-1)'s and r's complement? Use input and output files.
Classification of Systems Systems may be categorized as follows: a) Formal or Informal b) Abstract or Physical c) Closed or Open d) Automated orManual.
Ramps A network planning method that makes the most well-organized use of manpower, materials and cash resources between several projects going on concurrently.
Convert binary number in two's compliment form 0100 1000. Converting the binary number into 2's compliment from 0100 1000 is given below: 01001000 => 10111000
Q. Explain the Memory Transfer process? Memory Transfer Transfer of information from memory to outside world which implies I/O Interface is known as a read operation. Tra
Q. When an object travels with constant velocity does its average velocity during any time interval differ from its instantaneous velocity at any instant? Answer:- No It i
Q. How to Correct the error condition while copying file in DOS? In most case, DOS allows you to correct the error condition and retry the command (by pressing R). If the drive
What is program controlled I/O? In program controlled I/O the processor repeatedly checks a status flag to achieve the needed synchronization among the processor and an input a
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