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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
Extension of propositional logic: Away from proving theorems directly, and the other main use for rewrite rules is to prepare a statement just for use before we search for th
Q. Binary number system using 8 bit registers? Add 25 and -30 in binary number system using 8 bit registers using: Signed magnitude representation Signed 1's comple
a. It improves quality by providing consistent advice and by making reduction in the error rate. b. Expert systems are reliable and they do not overlook relevant info
Level of a node The root is at level zero and the level of the node is 1 more than the level of its parent
Why do we need to code a LOOP statement in both the PBO and PAI events for each table in the screen? We require coding a LOOP statement in both PBO and PAI events for every ta
Format functions can be used to format lot of the expressions such as money, time, date, percentages and numbers. These functions are much easier to use in VBA. User defined date,
a company has 4 machines to do 3 jobs.each job can be assigned to one and only machine.determine the job assignments which will minimize the total cost
How many address bits are required to represent 4K memory ? Ans. 12 address bits are required for representing 4K memory, as 4K = 2 2 x 2 10 = 2 12 Therefore 1K = 1024
Which techniques are utilized to gain on the number pairs and also explain how it helps in connecting number of subscribers. In rural areas, subscribers are usually dispersed.
Q. Characteristics of input- output channels? The I/O channel represents an extension of DMA concept. An I/O channel has ability to execute I/O instructions that gives complete
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