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What is computer virus?
A computer virus is a computer program that is designed to spread itself between computers. Computer virus are inactive when standing alone as piece of code, but when placed suitably in a host computer, therefore infecting it and they can become activated and transmit copies of themselves to other accessible machines. Lots of media can transmit viruses, containing internet and transferable disks.
Define the term- encryption The user would then type in O P E and card purchase will be authorised. This extra protection is used as well as encryption. Some of the new syste
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
Hubs are present in the network To interconnect the LAN with WANs.
Make a data structure to store information about the elements in the periodic table of elements. For each element, store the name, atomic number, chemical symbol, class, atomic we
Q. Example on Distribution of Data? !HPF$ PROCESSORS P1(4) !HPF$ TEMPLATE T1(18) !HPF$ DISTRIBUTE T1(BLOCK) ONTO P1 Consequently of these instructions distribution of
Interrupts Interrupt-request line o Interrupt-acknowledge signal o Interrupt-request signal Interrupt-service routine o May have no relationship t
Draw and illustrate the block diagram of DMA controller. Also discuss the various modes in which DMAC works. Direct memory access (DMA) is a process in that an external device
Define UFD and MFD. In the two-level directory structure, every user has own user file directory (UFD). Every UFD has a same structure, but lists only the files of a single u
Types of validation controls provided by ASP.Net There are following types of validation controls provided by ASP.Net: 1. Required Field Validator 2. Compare Validator
Q. How Dreamweaver Work in Layout View? Dreamweaver has two visual design views-Standard view and Layout view. You will start by working in Layout view, which allows you to dra
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