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The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communication links for interfacing them with CPU. Objective of communication link is to resolve differences which exist between central computer and every peripheral. The key differences are:
To resolve these differences, computer systems include special hardware component between the CPU and peripherals to supervise and synchronize all input and output transfers. These components are called interface units because they interface between the processor bus and the peripheral device.
What are the advantages of CMOS logic Ans: Advantages of CMOS Logic: (i) The power dissipation is mini-mum of all the logic families (ii) LSI and VLSI are possible
Let's design a synchronous BCD counter. A BCD counter follows a sequence of ten states and returns to 0 after count of 9. These counters are also known as decade counters. This typ
Give the format of ICMP header and explain meaning of each field. The format of ICMP header is given below: Internetwork Control Message Protocol (ICMP) ICMP H
Q. Illustrate the Cache Memory Operation? It comprises a copy of a part of main memory contents. When a program is running and CPU tries to read a word of memory (instruction o
Objectives of Parallel Computing After reading this topic, you would be able to: Tell historical details of parallel computing; Explain the fundamental ideas of dis
What is the significance of the screen number '0'? In "calling mode", the special screen number 0 (LEAVE TO SCREEN 0) causes the system to jump back to the last call level. Th
Explain the significance of init() and destroy( ) methods of an applet? Also explain two ways of invoking an applet. The init( ) method is utilized for fundamental initializati
Define Parsing Parsing is the method of analyzing a text, made up of a sequence of tokens, to define its grammatical structure with respect to a given formal grammar. Parsing
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
Q. Addressing Relationship for Main Memory and Cache? In the normal case there are 2k words in cache memory and 2n words in main memory. The n-bits memory address is splitted i
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