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What is flowchart? What are characteristics of flowchart? What are the rules for creating flowchart?

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Flowchart

A flowchart is a representation of a decision sequence or algorithm. This is a series of pictures that show how to proceed in order to solve a problem. Purpose of a flowchart is to show the flow of the program. The function is to show the steps of decision sequence or algorithm in the form of diagram.

Flowcharts have to be drawn using several geometric figures of different shapes. It helps to understand the nature of the program. Programmers use these charts of flows to compose programs.

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What is RDBMS? What are the 10 characteristics of RDBMS? What are the 10 usages of RDBMS?

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RDBMS

A database management system is a software consisting of several programs. That is, the software that uses the database management system to store the records in different tables / files and through querying the relationship between multiple databases is called relational database management system. It consists of several interrelated files. This management system is used for database creation, control, maintenance etc.

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What is Information Technology? What are the contributions of Information Technology (IT)?

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What is IT?

Information Technology

Information technology is the technology of storing data or information and using the stored data.

The branch of technology concerned with the dissemination, processing and storage of information, especially by means of computers.

Oxford English dictionary

Information technology is basically an integrated technology which has emerged as information technology after long practice in communication, telecommunication, audio, video, computing, broadcasting and many other technologies.

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What is Asynchronous transmission? What are the advantages and disadvantages of asynchronous transmission?

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Asynchronous transmission

Asynchronous data transmission is one of the three methods of data transmission. In asynchronous data transmission, sender or source system sends one character of whole data at once to the receiver or destination system.

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

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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 … Read more

What is software? What are the various types of software.

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Software Software is a set of instructions that make the computer perform tasks. In other words, software tells the computer what to do. Though the array of available programs is vast and varied, most software fall into two major categories; system software and application software. Types of software System software Operating system software Network operating … Read more

What is Software Piracy or Copyright Infringement of Software? What should be done to prevent software piracy?

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Software Piracy or Copyright Infringement of Software: Using, modifying, distributing, selling a software without proper license or permission or right is termed as software piracy. A software should only be used as per its license. When a software is covered with copyright laws and gets used in a way that violates one or more conditions, … Read more

What are peripheral devices? What are the types of peripheral devices? Give Example.

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Peripheral Device: Those devices which are not required or essential for a computer system to boot and run are called peripheral devices. A computer system has four categories of computer hardware among which mostly all I/O devices are peripheral devices. Though there are other devices which are both input and output devices and most of … Read more