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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.
Explain in detail about the Random Scan Display This device using CRT directs the electron beam only to the parts of the screen where a picture is to be drawn. This kind of d
This is a high-level matrix/array language with control flow statements, functions, data structures, input/output, and object-oriented programming features. It permits both "progra
How many flip-flops are required to construct mod 30 counter ? Ans. Mod - 30 counter +/- requires 5 Flip-Flop as 30 5 . Mod - N counter counts overall ' N ' number of state
There are two types of assemblies:- 1. Private Assemblies 2. Shared Assemblies
Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for s
What is the Gray equivalent of (25) 10 Ans. Gray equivalent of (25) 10 : The Decimal number 25 has binary equivalent as (00100101) 2 The left most bits (MSB) into gray
Q. Requirements of decision support system? a) Fast computation A decision maker is able to perform a large number of computations very quickly and that too at a low cost
Multi-Threaded Processors In unit 2, we have gone through the use of distributed shared memory in parallel computer architecture. Although the use of distributed shared memory
The MSI chip 7474 is ? Ans. MSI chip 7474 is TTL, dual edge triggered D Flip-Flop.
What is memory controller? A memory controller is a circuit which is interposed among the processor and the dynamic memory. It is used for performing multiplexing of address bi
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