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a. Explain the hardware mechanism for handling multiple interrupt requests.
b. What are handshaking signals? Describe the handshake control of data transfer during input and output operation.
c. Sketch the typical block diagram of a DMA controller and define how it is used for direct data transfer among memory and peripherals.
Bus arbitration: In single bus architecture when more than 1 device requests the bus, a controller known as bus arbiter decides who gets the bus; this is known as the bus arbi
Divide (101110) 2 by (101) 2 Ans. Quotient is = -1001 Remainder is = -001
Q. Illustrate Internal Organisation of RAM? The construction displayed in Figure below is made up of one JK flip-flop and 3 AND gates. The two inputs to system are one input bi
In a two-pass assembler, the task of the Pass II is to? Ans. The task of the Pass II is to synthesize the target program in a two-pass assembler.
Discuss two main approaches to identify free memory area in a heap. Two popular systems to identify free memory areas as a result of allocation and de-allocations in a heap are
Name the two operations of stack A stack has only two operations and they are insertion and deletion of items. The operation insertion is called push (or push-down) as it can b
Different EDI components and services Three main components containing services in EDI System are as follows: • Application Service: Gives the means of integrating existi
What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi
1. What factors should be considered when selecting a digital encoder (line codes)? Briefly mention five of those factors. Use sketches and additional text to describe the followin
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
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