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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.
Question a) Name and explian the four essential elements of a machine instruction. b) Provide any four common examples of mnemonics. c) The level of disagreement conce
Explain segmentation? Segment memory addressing divides memory into many segments. Each of these segments can be considered as a linear memory space. Every one of these segmen
Any data storage device. This having of your CD-ROM drive, hard disk drive and floppy disk drive.
Downcasting concept is the casting from a general to a more particular type, i.e. casting down the hierarchy in programming
Q. Characteristics of decision support system? Characteristics of DSS- The qualities of the DSS are as follows: - 1. DSS focus on towards providing assistance in analyzing s
Explain the different page replacement policies. Various page replacement algorithms are briefly explained below: 1. First-in, first-out FIFO page replacement algorith
What is reification and behaviour? Reification is the promotion of something that is not an object into an object. Behavior usually requires this description. It isn't usually
Explain Public Switched Telephone Network. PSTN (Public Switched Telephone Network): This is Public Switched Telephone Network (PSTN), which accommodates two types of subscri
Q. Explain about DMA and Interrupt Breakpoints? DMA interface transfers complete block of data one word at a time directly to or from memory without going through processor. Wh
Explain the term- Tracker ball and Braille printers Tracker ball Easier to use than a mouse if people have problems using their arms and hands or if they have a coordinati
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