basic Computer architecture

Computer architecture

1- Input unit

Input units are the hardware parts of a computer that can be used to enter data into the computer. They use input devices such as keyboards, mice, etc. for input and the computer via software. Or instruct it to be called I / O devices

2- Central unit

The central unit processes the input data. For this purpose, both the central processing unit and the computing unit carry out an arithmetic calculation and a logical calculation and process the data. The CPU is called the brain of the computer.

3- Memory

Memory is the part of a computer that stores user input and process data. It has two types of primary and second data, e.g. B. RAM and hard drive.

4- Output unit

Based on the command you specified, you receive the processed information from the output computer that is received by your output device or output device. The best example of an Out device is your computer monitor. It's called I / O devices.

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computer and its types

Features of computer Speed: Although one takes time to make a small calculation, the computer can make many calculations in less than a second, this speed is provided by the processor, the speed of the computer is measured in Hz., The intensity of work of the computer it is measured in seconds per second, per millisecond, per second, per nanosecond. Accuracy: doing a job without errors means completing any future job with complete precision is the second characteristic of a computer, the computer never makes mistakes, the computer always gives the correct result, because the computer is ours Performs a task only by following the specified instructions by the computer created a program, if the result given by the computer is wrong, then Area may be a bug in the program which are designed by human Automation: When a post-instruction is given to the computer until the task is completed, it continues to work automatically without stopping, for example, when the computer prompts...

computer memory basics

computer memory What is computer memory? The CPU is called the brain of a computer, but while the human brain does a lot of work and protects our memories, the CPU only does arithmetic and logical calculations. Processes input data, process data cannot be protected because process data must now be stored in a safe place so that this task can be performed using computer memory (computer memory). Computer memory is divided into many small parts that we call cells. Each cell has a unique address or path. Whenever you save or save a file on a computer, it is saved in a cell - There are two types of computer memory : Variable - It is also called primary storage, also called primary storage. It is in direct contact with the CPU and its data and instructions are used quickly and directly by the CPU. This is called a variable memory because this memory cannot store any data permanently. Example - RAM Non-volatile - This is known as secondary storage. It is used to permanently stor...

Computer hardware basics

Computer hardware structure Computer hardware basics The following important parts of a computer are: - • Monitor or LCD. • keyboard • Mousse • CENTRAL PROCESSOR • UPS. Monitor or LCD: - When used, all programs of the computer are displayed. It is an output device. Keyboards: - It is used to enter a computer, it is an input device, we can only operate the computer via the keyboard. Mousse: - Mousse simplifies the use of computers because it is both a remote device and an input device. CPU (Central Processing Unit): - It is an important part of the computer, all of our data is stored, all parts of the computer are CPU. Is connected to Click Learn via the internal parts of the CPU. UPS (Anitrap Power Supply): - This hardware or machine prevents the computer from being powered down directly, making all of our data secure. All of this hardware is divided into two parts - Output device Input device

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