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Q. What do you mean by Software Poll?
In this scheme on occurrence of an interrupt, processor jumps to an interrupt service program or routine whose job is to poll (roll call) every I/O interface to determine which I/O interface has caused interrupt. This may be achieved by reading status register of the I/O interface. Once correct interface is recognized processor branches to a device-service routine specific to device. The shortcoming of software poll is that it's time consuming.
What is MMU? MMU is the Memory Management Unit. It is a special memory control circuit used for executing the mapping of the virtual address space onto the physical memory.
Q. How to calculate register indirect addressing? The effective address of operand in this technique is calculated as: EA= (R) and D = (EA) Address capability of regi
We now consider the relation between passwords and key size. For this purpose consider a cryptosystem where the user enters a key in the form of a password. Assume a password consi
What are the properties which a data item should possess to implement a critical section? The Critical Section Problem Solution should satisfy the following conditions: 1.
Examples of artificial neural networks: Now here as an example consider a ANN that has been trained to learn the following rule categorising the brightness of 2x2 black and wh
Vuser_init action haves procedures to login to a server.
The decimal equivalent of Binary number 10101 is ? Ans. 1x2 4 + 0x2 3 +1x2 2 +0x2 1 + 1x2 0 = 16 + 0 + 4 + 0 + 1 = 21.
CMOS circuits consume power ? Ans. As in CMOS one device is ON and one is Always OFF therefore power consumption is low or can say less than TTL.
a) Write the main differences among prototyping and incremental development. b) Explain the commonality and main differences among agile approach and RUP.
An ActiveX control has four types of properties: 1. Stock:-> These are standard properties supplied to each control, such as font / color. The developer must activate stock pro
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