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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.
Q. Main drawbacks of CD-ROMs? The main drawbacks of CD-ROMs are: It is read only thus can't be updated Access time is longer than that of magnetic disks. Very
structured programming
What are the stages of data mining? The procedure of data mining comprises three stages, which are given below: a) The initial exploration b) Model building c) Deploym
Another useful feature of an experts system is its predicative modelling power. The system can act as an information processing theory or model of problem solving in th
a) In multitasking Operating Systems, there are two types of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Describe the two mentioned mult
what is time out based schemes in concurrency control
Q. Starting parallel virtual machine? To initialize PVM on any host on that PVM has been installed we can type % pvm The PVM console known as pvm is a standalone PVM t
Q. Illustrate Organisation of DRAM Chip? The given figure is a typical organisation of 16 mega bit DRAM. It displays a typical organisation of 2048 × 2048 × 4 bit DRAM chip. Me
Q. Interfacing of keyboards? The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standar
Which loader is executed when a system is first turned on or restarted? Ans. Bootstrap loader executed while a system is first turned on or restarted.
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