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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
Design a MOD-6 synchronous counter using J-K Flip-Flops. Ans: Design of Mod-6 Counter: To design the Mod-6 synchronous counter, contain six counter states (that is, from
Sequential Logic Gates SR flip flop 1)
Boolean algebra. Boolean algebra mathematical method based on human reasoning. In Boolean algebra only two states exist; true and false which are written as 1 (true) and 0 (fa
Q. Describe the Errors? Errors Two probabletypes of errors may take place in assembly programs: a. Programming errors: They are familiar errors you may encounter in
C provides a wide range of variable types. Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
A ring counter consisting of five Flip-Flops will have ? Ans. A ring counter have 5 states while consisting of Five Flip-Flops.
Q. Need of the assembly language ? Machine language code comprises the 0-1 combinations which computer decodes directly. Though the machine language has the following problems
MECHANICS OF STRUCTURED ANALYSIS
The next important effort in the direction of devising an electromechanical computer was made at Harvard University mutually sponsored by IBM and Department of UN Navy, Howard Aike
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