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Explain Direct Memory Access.
A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs the IO device to generate memory addresses and transfer data by the bus using interface controllers.
Consider the following pseudo-code segment. 1. input y {y is a three-digit hexadecimal number} 2. d ← 0 3. for i = 1 to 3 3.1. char ← i th character from y readin
Write a function "plot2fnhand" that will receive 2 function handles as input arguments, and will show in two Figure Windows plots of these functions, with the function names in the
The 68Hc11 is actually a complex micro-controller its contains internally RAM, EEPROM, Parallel IO and serial ports, hardware timers and a 8 channel ADC. The internal structure is
Discuss program testing and debugging in detail. In program debugging and testing significant steps are as follows: a. For the program, construction of test data b. Analy
Q. why we need Web Browser? A Web browser is software program which allows you to easily display Web pages and navigate the Web. The first graphical browser, Mosaic, was develo
Problem: (i) What are the main threats that an organisation holding sensitive data, such as Public Data, on computer storage must guard against? (ii) To protect such data,
difference between lexical & semantic expansion
What is a PCI bus? Discuss its aspects and usage. Peripheral Component Interconnect (PCI): This bus was developed by Intel and introduced in 1993. It is geared specifically to
1.0 By working throughthe first time guide this will gain familiarity with the on board monitor and the PC cross assembler After connecting the system to the terminal program,
Which of the memory is volatile memory ? Ans. A volatile memory is RAM. Term Volatile memory implies the contents of the RAM get erased as soon as the power goes off.
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