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Q. What is microcomputer system?
The microcomputer has a single microprocessor and a number of RAM and ROM chips as well as an interface unit which communicates with several external devices via the I/O Bus.
Input/Output subsystem of a computer referred to as I/O offers an resourceful mode of communication between central system and output environment. External devices which are under direct control of computers are said to be connected on-line. These devices are created to read information into or out of memory unit upon command from CPU and are determined to be part of computer system. I/O devices attached to computer are also known as peripherals. We can roughly classify external devices or peripherals in 3 categories:
Explain The Storage Class extern The Storage Class extern : One method of transmitting information across blocks and functions is to use external variables. When a variable is
Q. Define Interrupts in assembly language? An interrupt causes interruption of an ongoing program. A number of the common interrupts are: printer, monitor, keyboard, an error c
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is a technique of improving the priority of process waiting in Queue for CPU allocation? Ageing is a technique of enhancing the priority of process waiting in Queue for CPU all
Some of the uses of append query are as follows ? You will save time by appending data to an existing table rather than manual update. ? Appending files based on particular
Search mechanisms in Prolog We can utilize this simple Prolog program to describe how Prolog searches: president(X) :- first_name(X, georgedubya), second_name(X, bush). p
Final Implementation of Object oriented modelling Final Implementation: At this phase, the final execution of classes and relationships developed while object design takes
Illustrate some notations of object modeling notations A classifier is a mechanism which describes behavioural and structural features. In UML significant classifiers are cla
INT 21H supports about 100 different functions. A function is recognised by putting the function number in AH register. For illustration if we want to call function number 01 then
Multiple bus architecture: One solution to the bandwidth restriction of a single bus is to simply add extra buses. Consider the architecture indicated in given figure that con
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