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What is program controlled I/O?
In program controlled I/O the processor repeatedly checks a status flag to achieve the needed synchronization among the processor and an input and output device.
Q. Role of information system in business? Ans. 1. Information System is grouping of two terms namely - 1) Information 2) System 1. Information - Information is dat
a. What are the activities included during the process of developing a formal specification of a sub-system interface? b. Explain the Pair Programming? What are the benefits of
Program: A good illustration of code conversion: Write a program to convert a; 4-digit BCD number into its binary equivalent. BCD number is stored as a; word in memory location kno
Define Programmed I/O. It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program
What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. I/O buffer: One type of input-output requirement arises from d
INTERRUPT METHOD - USING PORTB CHANGE INTERRUPT By using 4 by 4 matrix keypad connected to PORTA and PORTB. The rows are connected to PORTA-Low (RA1-RA4) and the columns are co
Before getting into the design the designer should go by the SRS prepared by the System Analyst. The main tasks of design are Architectural Design & Detailed Design. In Arch
Q. Routines which handle dynamic processes? number of routines which handle dynamic processes: int pvm_joingroup( char *group ) Enrolls calling process in a na
Discuss the CSMA/CD and CSMA/CA protocols. CSMA/CD: this is an access method used mainly with LANs configured in a bus topology. Along with CSMA/CD, any station (node) can se
What is difference between RAM and FIFO? FIFO certainly does not have address lines. It is stands for first in and first out. It is an algorithm based method. It is used to s
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