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Hardware interrupts:
Hardware interrupts-from I/O devices, processor, memory Software interrupts-produced by a program.
Direct Memory Access (DMA)
Interrupt or Polling driven I/O incurs considerable overhead
Transfer high amounts of data at high speed without continuous intervention by the processor
DMA controller keeps track of memory locations, directly transfers to memory (using the bus)
independent of the processor
Special control circuit needed in the I/O device interface which is called a DMA controller
A 6-bit R-2R ladder D/A converter has a reference voltage of 6.5V. It meets standard linearity.Find (i) The Resolution in Percent. (ii) The output voltage for the word 011100.
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There are two types of assemblies:- 1. Private Assemblies 2. Shared Assemblies
Optimal Page Replacement Algorithm The optimal page replacement algorithm that as well known as OPT is an algorithm which works as follows: while a page needs to be swapped in,
type of differential amplifier
Rule in a single direction - equivalences rules: Hence there the power to replace sub expressions always allows use to prove theorems with equivalences: as given in the above
Define the Information System Growing sophistication in products and markets is driving the organisational requirement for increasing amounts of information. This req
Difference among the Static rams and dynamic rams. Static RAM: It is costly as each bit of memory will take around 6 CMOS transistors. More speedy as transistors are us
Design two matlab algorithms for enlarging the 256x256 images into 512x512 images by using bilinear and bicubic interpolations a) Evaluate the interpolated images with the
What is macro-expansion? Macro calls lead to macro expansion. Throughout macro expansion, the macro call statement is replaced through a sequence of assembly statements.
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