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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 universal gates. Construct a logic circuit using NAND gates only for the expression x = A . (B + C). Ans. Universal Gates: NAND and NOR Gates both are t
WHAT IS COMPUTER? Computer is termed in the Oxford dictionary as "An automatic electronic apparatus for making controlling operations or calculations which are expressible i
Think about call of two intrinsic functions discussed above for a 32-Processor (4×8) Multicomputer: The function call NUMBER_OF_PROCESORS () will return 32.
Memory utilization factor shall be computed as? Ans. memory in use/total memory connected.
Why is Cloud Computing important? There are many implication of cloud technology, for both developers and end users. For developers, cloud computing gives increased amounts of
Define bus. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines called bus. In addition to the lines that take the data
Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.
Q. Limitations of execution of instructions? 1. Size of memory shown in 16 words while instruction is capable of addressing 210 =1 K words of Memory. However why 210 since 10 b
external initiated operations
What is Optical character recognition (OCR) Information on paper is automatically read by a scanner and is then processed/analysed by OCR software and stored in an electronic
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