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What are interrupts?
Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An interrupt signal requests the CPU to interrupt its present activities and attend to the interrupting devices requires. A CPU will check interrupts only after this has done the processing of one instruction and before this fetches a subsequent one.
Explain about Physical model The Physical model describes concrete software and hardware components of system's context or implementation.
Telex is a (A) Telephone Service between various subscribers (B) Tele printer Service between various subscribers (C) Television Service between various subscri
What are differences between Synchronous, Asynchronous and I synchronous communication? Sending data encoded in your signal needs that the sender and receiver are both by using
What is the difference between char a[] = "string"; and char *p = "string";? Ans) In the first case 6 bytes are assigned to the variable a which is fixed, where as in the secon
What is glitch? What causes this (describe with waveform)? How to overcome this? The gated clock‘s corresponding timing diagram demonstrates that it implementation can lead to
What is domain analysis? Domain analysis is concerned with devising a precise, concise, understandable and correct model of the real world. Analysis starts with problem statem
The address bus is unidirectional due to the address information is always given by the Micro Processor to address a memory location of an input or output devices.
The linkage section is part of a known as program that 'links' or maps to data items in the calling program are working storage. It is the part of the called program where these sh
The typicality of virtual addresses is that: They are longer than physical addresses because total addressed memory in virtual memory is more than actual physical memory.
Q. Characteristics of Magnetic disk? Tracks and Sectors: Disk is divided in concentric rings known as tracks. Thus a track is one complete rotation of disk underneath read/wr
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