Part 10: Computer Fundamentals Virus

Part 10: Computer Fundamentals Virus

Computer Virus Computer viruses are unwanted software programs or pieces of code that interfere with the functioning of the computer. They spread through contaminated files, data, and insecure networks. Once it enters your system, it can replicate to produce copies of...

Part 9: Data and Information OS and Network

Part 9: Data and Information OS and Network

Data can be defined as a representation of facts, concepts, or instructions in a formalized manner, which should be suitable for communication, interpretation, or processing by human or electronic machine. Data is represented with the help of characters such as...

Part 8: Computer Fundamentals Number System

Part 8: Computer Fundamentals Number System

Number System When we type some letters or words, the computer translates them in numbers as computers can understand only numbers. A computer can understand the positional number system where there are only a few symbols called digits and these symbols represent...

Part 7: Computer Fundamentals Software

Part 7: Computer Fundamentals Software

Software Software, which is abbreviated as SW or S/W, is a set of programs that enables the hardware to perform a specific task. All the programs that run the computer are software. The software can be of three types: system software, application software, and...

Part 6: Computer Fundamentals Memory

Part 6: Computer Fundamentals Memory

Computer Fundamentals Memory A memory is just like a human brain. It is used to store data and instructions. Computer memory is the storage space in the computer, where data is to be processed and instructions required for processing are stored. The memory is divided...

Part 4: Computer Fundamentals Output Components

Part 4: Computer Fundamentals Output Components

Output Devices The output device displays the result of the processing of raw data that is entered in the computer through an input device. There are a number of output devices that display output in different ways such as text, images, hard copies, and audio or...

Part 3: Computer Fundamentals Input Components

Components All types of computers follow the same basic logical structure and perform the following five basic operations for converting raw input data into information useful to their users. S.No. Operation Description 1 Take Input The process of entering data and...

Part 2: Computer Fundamentals Applications

Part 2: Computer Fundamentals Applications

Business A computer has high speed of calculation, diligence, accuracy, reliability, or versatility which has made it an integrated part in all business organizations. Computer is used in business organizations for − Payroll calculations Budgeting Sales analysis...

Part 1:  Computer Fundamentals Basics

Part 1: Computer Fundamentals Basics

Computer Fundamentals Computer is an advanced electronic device that takes raw data as an input from the user and processes it under the control of a set of instructions (called program), produces a result (output), and saves it for future use. This tutorial explains...

Frequency Word for IELTS Listening

Frequency Word for IELTS Listening

Frequency Word for IELTS Listening School a. Library  WordSentence1. Shelf 2. Librarian 3. The stacks 4. Return 5. Fine 6. Magazine 7. Copier  8. Overdue  9. Reading room  10. Reference...

Chapter 5: System request on SDLC

Chapter 5: System request on SDLC

System Request In most organizations, project initiation begins by preparing a  system request. A  system request is a document that describes the business reasons for building a system and the value that the system is expected to provide.The project sponsor...