What is Software and its type ?

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What is Software

Software is any set of instructions that directs a computer to perform specific operations. Computer software consists of computer programs,libraries and related non-executable data (such as online documentation or digital media).

Also Read – Software Design and Development

Computer software is non-tangible, contrasted with computer hardware, which is the physical component of computers. Computer hardware and software require each other and neither can be realistically used without the other.

At the lowest level, executable code consists of machine language instructions specific to an individual processor—typically a central processing unit (CPU).

Also Read –What is Software and its type ?

A machine language consists of groups of binary values signifying processor instructions that change the state of the computer from its preceding state.

For example, an instruction may change the value stored in a particular storage location inside the computer—an effect that is not directly observable to the user.

Also Read – What is Software Development Life Cycle (SDLC) ?

An instruction may also (indirectly) cause something to appear on a display of the computer system—a state change which should be visible to the user.

The processor carries out the instructions in the order they are provided, unless it is instructed to “jump” to a different instruction, or interrupted

Type of software :

  1. Application software
  2. System software
  3. Operating systems
  4. Malicious software or malware


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