Variety of instruction or types instructions in computer

In Computer Field ability to take a variety of Instructions:-

A Programs are written by using a small set of instructions which can perform very complex on its take it self or manipulation.

Different types of instruction format in computer architecture

Some of the application packages have pre-defined functions and procedures. You will need to give the argument for these functions or procedures and they will give you results immediately execute fast.

pre-define function of different software

For instance, the visual C# have built in packages and turbo C,C++ and java have also 'pre-define' functions and packages but C++ have templates for programs executions and the last one python have packages and pre-defined both of them their compiler utility software executing very fast and calculate them and the results and outputs correctly.
However, with the a computer one can do all such calculations in a split of a second. These software programs also contain sets of instructions to develop a software.

How many varieties of instructions work and are used in a computer?

There are basic and very common instructions used and work in a computer following below:

Input instructions

An input instruction that is received by computer through an input device for ready to Processing work. In some cases the input instructions are in an analog form, these analog instructions are converted first into the digital input form then it is ready to process in the CPU.

Output instructions

An output instruction that provides the user with desirable results processed by CPU and sent by the output unit. In some cases the output wants to be analog output from the computer system then the digital output is converted by the analog output for the analog device.

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