Articles [Computer Science]

A transmission medium is required to carry information from a source to a destination. The information is usually a signal that has to travel a long distance. For this, the transmission media can be wired or wireless. In wired transmission, the...

Cryptography is the science of transforming messages to make them secure and immune to attack. The literal meaning of cryptography is “secret writing”. If the original message is sent through a network, then any hacker can get access and change its...

Memory is the main component of a computer system. It stores instructions and data in binary form that is used by the central processing unit. Memories are divided into 2 types such as. 1)    Primary memory2)    Secondary memory1) Primary memory:...

The OSI model is a layered framework for the design of network that allows communication between different systems without changing the underlying hardware and software. It was introduced in 1970 by International Standards Organization (ISO) as a...

A programming language is designed to help in processing of certain data and to provide useful information to the user. There are lots of programming languages today that satisfy different needs of the user. For example: C, C++, Java, SQL, HTML,...

A computer network is a set of devices/nodes connected by communication links. And the node can be a computer, printer or any other device that can send or receive data generated by other nodes. Computer network is required for data communication...

A microprocessor is an electronic device that reads instructions from memory, accepts binary data and provides output after processing data according to the instructions. You can say its function is just like human brain. Basically microprocessor...