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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
Electronic Data Interchange (EDI ) is used by companies for transactions that happen on regular basis to a pre-determined format. It is one of the electronic commerce technologies.
Q. Define Wide Area Network? Wide Area Network (WAN): It takes a large geographical area and frequently owned by a state. Data transfer rate is low (few KBPS to 10 MBPS) and er
Q Explain Instruction cycle and Execution cycle. and also explain Instruction Counter, Memory Address Register and Memory Buffer Register.
List the major components of the keyboard/Display interface. a. Keyboard section b. CPU interface section c. Display section d. Scan section
What are the uses of interrupts? Recovery from errors Debugging Communication among programs Use of interrupts in operating system
a. Define operating system? State the important features of operating system? b. Describe the following facilities for implementing interacting processes in programming language
The runqueue is the list of runnable processes on a given processor. There is only one runqueue per processor. Each runqueue contains two priority arrays: Active and Expired. Each
What are the Types of Assemblies? One of the drawback of using Visual Studio.NET and the .NET framework to develop applications has been the lack of cross-platform support. As
How can i made Carnot engine
attribute primitive
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