Describe Different Types of Viruses.

Computer Virus:

A computer virus is a parasitic program that infects other legitimate programs, which are sometime referred as hosts. To infect the host program, the virus modifies the host to store a copy of the virus. After infection, viruses make various damages to the system which may be low to high to critical.

To qualify as virus, a program must be able to replicate itself. This can mean copying itself in different places on the same computer or other computers by reaching them using connected networks or internet.

Taking control of hardware devices, slowing down computer by taking control of resources, filling up storage space, making files & folders inaccessible etc are a few among various activities of computer viruses.

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What are the activities of computer virus?

Computer Virus:

A computer virus is a parasitic program that infects other legitimate programs, which are sometime referred as hosts. To infect the host program, the virus modifies the host to store a copy of the virus. After infection, viruses make various damages to the system which may be low to high to critical.

To qualify as virus, a program must be able to replicate itself. This can mean copying itself in different places on the same computer or other computers by reaching them using connected networks or internet.

Describe the Internal Architectures, Features, Working Principles and Registers of 8086 Microprocessor.

Internal Architecture of Intel 8086 Microprocessor

The Intel 8086, also called the iAPX 86, is a 16-bit microprocessor designed by Intel Corporation in between 1976-1978. This Intel 8086 microprocessor gave rise to the x86 architecture or 16-bit architecture. The figure given below is the internal architecture of Intel 8086 microprocessor

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What are the Differences between Computer Hardware and Software?

Computer Hardware:

Computer Hardware is any part of the computer that can be touched. These are primarily electronic devices used to build up the computer. Computer Hardware actually perform the computing operations along with taking input and sending the computed result as output or to storing that.

What are the 5 key parts of a micro-computer? Illustrate their working procedure.

The 5 key parts of a micro-computer system are as follows

1. Processor
2. Memory
3. I/O Devices
4. Storage Devices
5. Programs

Read More: Describe the 5 key parts of a micro-computer.

Describe the 5 key parts of a micro-computer.

A micro-computer is a machine built with hardware and ran by software. The 5 key parts among the various hardware and software are as follows.

Write down about the computer hardware devices in the organization of a micro computer.

A basic PC (Personal Computer) has a number of computer hardware elements. Most of these elements are contained in the system unit of the micro computer. The hardware devices in the organization of a micro computer are as follows.

What is Bus and Bus Speed? Illustrate interconnected buses in motherboard.

Bus:

Bus is an electrical path that resides inside the motherboard. There are two main types of bus; internal or system bus and external or expansion bus. The system bus connects the CPU to other devices and the expansion bus connects the external devices such as keyboard, mouse etc. to the CPU. The three main parts of the bus are control lines, address lines and data lines.