Structure is a collection of different datatype variables, grouped together under a single name.Features of structureThe features of structure in the C programming language are as follows −It is possible to copy the contents of all the structure elements of different datatypes to another structure variable of its type by ... Read More

A for loop is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times.AlgorithmGiven below is an algorithm to print multiplication table by using for loop in C language −Step 1: Enter a number to print table at runtime. ... Read More

Hardware, Software, Data, Database Access Language, Procedures and Users all together form the components of a DBMS.Let us discuss the components one by one clearly.HardwareThe hardware is the actual computer system used for keeping and accessing the database. The conventional DBMS hardware consists of secondary storage devices such as hard ... Read More

Token bucket algorithm is one of the techniques for congestion control algorithms. When too many packets are present in the network it causes packet delay and loss of packet which degrades the performance of the system. This situation is called congestion.The network layer and transport layer share the responsibility for ... Read More

An interrupt is a signal from a device attached to a computer or from a program within the computer that requires the operating system to stop and figure out what to do next.Interrupt systems are nothing but while the CPU can process the programs if the CPU needs any IO ... Read More

The Database Management System (DBMS) is defined as a software system that allows the user to define, create and maintain the database and provide control access to the data.It is a collection of programs used for managing data and simultaneously it supports different types of users to create, manage, retrieve, ... Read More

Most of the commercial systems do not have a well-defined structure, Operating systems are small, simple and limited systems. MS-DOS is a simple structure of operating system only limited users can use operating system for a particular purpose.ExampleMS-DOSGiven below is the diagram of MS-DOS −The above simple structure of the ... Read More

PL/SQL is oracle’s procedural language extension to SQL. PL/SQL allows you to mix SQL statements with procedural statements like IF statements. Looping structure etc, PL/SQL is the superset of SQL. It uses SQL for data retrieval and manipulation and uses its own statement for data processing.Pl/SQL program units are generally ... Read More

If any transaction that performs a dirty read operation from an uncommitted transaction and also its committed operation becomes delayed till the uncommitted transaction is either committed or rollback such type of schedules is called as Recoverable Schedules.Types of recoverable schedulesThere are three types of recoverable schedules which are explained ... Read More

Let us understand the concept of barcode and Quick Response (QR) code.Bar CodeA bar code reader decodes the data contained in the barcode and sends it to the computer. It produces a beam of light or a laser beam to read barcodes which is reflected by the bar code image. ... Read More