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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
What do you mean by u-area (user area) or u-block? This having the private data that is manipulated only by the Kernel. This is local to the Process, i.e. every process is a
Q. Find simplified function F and implement that function using only NAND gates. 1. F(A,B,C) = (A+B) (A'+B+C') (A'+B'+C') 2. F (A,B,C,D) = A'B'C'+B'CD'+A'BCD'+AB'C' 3.
Is it possible to create graph form spreadsheets For example IF G5 > 100 THEN "Y" ELSE "N" - It's also possible to create graphs and charts from spreadsheets (such as using
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Q . Write a subroutine in C which toggles the cursor? Write a subroutine in C which toggles the cursor. It takes one argument which toggles the value between on (1) and off (0)
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Define Terminal symbols? Terminal symbols: These are literal strings forming the input of a formal grammar and can't be broken down in slighter units without losing literal m
What are different control function categories. Explain. In several switching systems, the control subsystem may be an integral part of the switching network itself. This syst
How the production of metal contributes to computer engineering designing?
Double Negation : All parents are forever correcting their children for the find of double negatives, there we have to be very alert with them in natural language like: "He d
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