draw and explain the block diagram of digital computer
Answers
Answer:
Explanation:Block Diagram of Computer and Explain its Various Components
A computer can process data, pictures, sound and graphics. They can solve highly complicated problems quickly and accurately. A computer as shown in Fig. performs basically five major computer operations or functions irrespective of their size and make. These are
1) it accepts data or instructions by way of input,
2) it stores data,
3) it can process data as required by the user,
4) it gives results in the form of output, and
5) it controls all operations inside a computer.
We discuss below each of these Computer operation
Block Diagram of Computer and Explain its Various Components
1. Input: This is the process of entering data and programs in to the computer system. You should know that computer is an electronic machine like any other machine which takes as inputs raw data and performs some processing giving out processed data. Therefore, the input unit takes data from us to the computer in an organized manner for processing.
2. Storage: The process of saving data and instructions permanently is known as storage. Data has to be fed into the system before the actual processing starts. It is because the processing speed of Central Processing Unit (CPU) is so fast that the data has to be provided to CPU with the same speed. Therefore the data is first stored in the storage unit for faster access and processing. This storage unit or the primary storage of the computer system is designed to do the above functionality. It provides space for storing data and instructions.
The storage unit performs the following major functions:
• All data and instructions are stored here before and after processing.
• Intermediate results of processing are also stored here.
3. Processing: The task of performing operations like arithmetic and logical operations is called processing. The Central Processing Unit (CPU) takes data and instructions from the storage unit and makes all sorts of calculations based on the instructions given and the type of data provided. It is then sent back to the storage unit.
4. Output: This is the process of producing results from the data for getting useful information. Similarly the output produced by the computer after processing must also be kept somewhere inside the computer before being given to you in human readable form. Again the output is also stored inside the computer for further processing.
5. Control: The manner how instructions are executed and the above operations are performed. Controlling of all operations like input, processing and output are performed by control unit. It takes care of step by step processing of all operations inside the computer
Answer:
A computer can process data, images, sound, and graphics. They can solve highly difficult problems fast and accurately. It functions essentially five major computer processes.
Explanation:
Block Diagram of Computer and its mixed Components
1. Input
This is a method of entering data and programs into the computer system. You should understand that a computer exists as an electronic machine like any other device which accepts as input raw data and functions some processing conveying out processed data. Therefore, the information unit accepts data from us to the computer in a methodical method for processing.
2. Storage
The approach of saving data and instructions permanently exists known as storage. Data keeps being fed into the system before the authentic processing begins. It is because the processing speed of the Central Processing Unit (CPU) is so quick that the data has to be nourished to the CPU at the exact speed.
3. Processing
The assignment of conducting functions like arithmetic and logical functions is named processing. The Central Processing Unit (CPU) handles data and instructions from the storage unit and creates all types of accounting established on the instructions provided and the kind of data delivered. It is then transmitted back to the storage unit.
4. Output
This is the technique of creating outcomes from the data for getting useful data. Similarly, the output created by the computer after processing must also be held someplace inside the computer before being provided to you in a human-readable format. Again the output exists also held inside the computer for additional processing.
5. Control
The mode in which instructions are accomplished and the above procedures are conducted. Controlling of all processes like input, processing and output are executed by the control unit. It carries care of step by step processing of all functions inside the computer.
The diagram is shown below,
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