Computer General Concept

Computer General Concept Bangla:

What is Computer? –

A computer is an electronics advanced device or device which is derived from the Greek word Compute. The word Compute means a calculation or calculating device. In the past, only multiplication, division, and addition tasks were completed. Nowadays, computers are used for multi-purpose tasks only for calculations. Not for work, it is being used for other purposes such as education, treatment, information exchange, business and other purposes.

Origin of Computer:

Centuries of human research behind the invention and development of computers.

The main principle behind the modern computer was Charles Babbage, a prominent British scientist and mathematician. In 1887, Dr. Hermann Horelich began researching Charles Babbage’s computer principles to complete the American census work in a short period of time.

Then in 1911 he founded the Computing, Tabulating and Recording Company in collaboration with two different companies. Since then the famous company IBM started the journey of modern computer.

 

For online earning visit here –

Create Account on binance …………

Create Account on fiverr ……………

Spot trade on binance ………..

Computer Management System:

Computers are generally operated in three ways
For example-

1. Input Device – Mouse, Key-Board, Scanner, Pen-drive etc
2. CPU (Central Processing Unit)
3. Output Device – Monitor, Printer.

 

Difference between PC and Human-

Humans are a lot of intelligent than computers as a result of computers ar created by hand. Here the pc will show the results of any work terribly quickly ahead of the user, however the human cannot, still the human is extremely intelligent. the pc has no intelligence of its own, once the human sets the software system on {the pc|the pc} and therefore the computer displays the data per the data entered by the human.

Human Strength vs PC Strength:

Human Strength:

1. Humans have logic, multiple neurons and therefore the brain has the power of self-processing.
2. they’ll conjointly plan of the box however typically take time to recollection.
3. Human Brain receives inputs through senses like hearing, sight and conjointly detects patterns, abnormalities, and trends in visualisation knowledge. At a similar time, they’ll acknowledge countenance, voice, and action.
4. the same as computers human brain is additionally one store wherever you’ll save unlimited info however takes time to remember.
5. Humans ar still superior to computers in many ways as they’ll perform tasks, build selections, and solve issues supported intelligence and life experiences.

Computer Strength:

1. In pc to method, something it needs electricity.
2. Computers need input and method at a quicker speed.
3. the pc supports a range of input devices like a keyboard, mouse, joystick, a mike for voice input and recognition, bioscience and scanners, etc. of these inputs facilitate the human to speak with computers. till you incorporate associate degree input command to your pc you may not receive the output.
4. pc output device includes sound, show on the screen, printouts once connected to external devices.
5. Generally, the computers won’t sleep like humans so that they will analyze, calculate and perform the task even around the clock while not weariness.
6. Whereas the computers aren’t affected or influenced by emotions, feelings, wants, needs, etc.

More info Computer Hardware …….

What is Features of the Computer-

1. Speed.
2. Accuracy.
3. Memory capacity.
4. Tiredness.
5. Versatility.
6. Logical work.
7. Reliability.
8. Automation.
9. Reduces paperwork and costs.

More info Computer Bus ….

Computer Generation-

A stage or stage of change or development is called a computer generation or generation.

Computer generations are divided into 5 categories. Namely:

1.  First Generation Computers (1946-1959)
2.  Second Generation Computers (1959-1965)
3. Third Generation Computers (1965-1971)
4.  Fourth Generation Computers (1971-1980)
5.  Fifth Generation Computers (1980s–present–future)

Computer Motherboard ……..

First generation computer-

Characteristics of first generation computers:

1. Very large in size.

2. Use of vacuum tubes.

3. Limited data comprehension

4. Vacuum tube heating problem.

Examples: ABC, ENIAC, EDVAC,

MARK-I, MARK-II, MARK-III Etc

 

Second generation computer-

Features of second generation computers:

1. Shape compression.
2. Use of transistors.
3. Use of magnetic core memory as main memory.
4. Use of high speed input-output devices.

 

Example: IBM-1620, IBM-1400, IBM-1600 etc.

 

Third generation computer –

Features of third generation computers:

1. Use of IC.

2. RAM & ROM usage.

3. shape compression.

4. Use of monitors and line printers.

5. The price is low.

6. Multiplies the working capacity.

Example: IBM – 370, PDP – 8 Etc

 

Fourth generation computer –

Features of fourth generation computers:

1. Use of IC called Microprocessor.

2. Increase data capacity.

3. The emergence of the microcomputer.

4. The price is relatively low.

Example: IBM-3033, IBM-4341 Etc

Fifth Generation Computers –

Features of fifth generation computers:

1. Massive improvement in data capacity.

2. Use of multi-microprocessor computers.

3. Software improvements.

4. Use of artificial intelligence.

Example: Pentium-I, Pentium-II, Pentium-III, Pentium-VI Etc

More info for Photoshop tools ………….

Computer Organization-

Computers are divided or organized into 3 categories based on their function namely-

1. Input Device
   
2. Output Device
   
3. Processing Device
   

Input Device –

Any device that is used to enter any information inside the computer is called Input Device. Namely- Keyboard, Mouse, Scanner, Digital Camera, Pen-Drive, Card-Reader.

 

Output Device-

Any device used to output any information inside the computer is called Output Device. Namely- Monitor, Printer, Plotter, Speaker.

 

Processing Device –

CPU is the most important among the organizational parts of the computer. All the processing of the instructions we give while working on the computer, mathematical analysis, logical arrangement etc. is done in this part such as Processor, Mother-Board, Hard-Disk, Ram etc.

CPU (Central Processing Unit) –

The full name of CPU is Central Processing Unit Bengali means central processing unit. It is called the main part or brain of the computer. CPU Unit performs all the operations of the computer.

Types of CPU Unit- CPU is divided into 3 categories based on performance-
For example –

1.  Control Unit.
2. Arithmetic & logic Unit.
3. Memory.

Control Unit-

By coordinating the various parts of the computer, the device that controls all the activities is called the Control Unit.

Arithmetic and Logic Unit –

The machine that performs all the calculations and data analysis of the computer and gives the results is called Arithmetic and Logic Unit.

Memory – 

The device used to store any kind of theory or information and instructions permanently and temporarily in the computer is called Memory.

Memory is generally of 2 types

For example –

1. Main Memory.

2. Auxillary Memory.

 

More info Computer Ports …………….

Main Memory-

The internal memory of the computer that is directly connected to the CPU is called Main Memory. All information and theory coming through the input is located in the main memory for processing.

For example –

1. RAM (Random Access Memory)

2. ROM (Read Only Memory)

Axillary Memory-

The various information inputted in the computer is stored in the part after work is called Axillary Memory.

For example –

1. HDD (Hard Disk Drive).

2. DVD (Digital Versatile Disc).

What is RAM?

RAM (Random Access Memory) is a temporary memory. From the input device, the data is first stored in the RAM, these data can be read and seen immediately and when the computer is turned off and on again, these data will not be in the RAM, so the RAM is called temporary memory.

What is ROM?

ROM (Read Only Memory) is a permanent memory. ROM data can be read but its data cannot be deleted. The data is permanently stored in it. ROM information is required when giving Windows to the computer.

What is HDD ?

HDD (Hard Disk Drive) is the computer’s data storage space. There are three types of HDD (Hard Disk Drive). namely-

1. HDD (Hard Disk Drive).
2. SDD (Solid Disk Drive).
3. DVD (Digital Versatile Disc).

Operating System –

The word Operating is derived from the word Operate. The literal meaning of the word operating is to operate. And the word System means system. When I buy a new computer from the store, I have to install the operating system software on the computer, because the operating system software controls all the components in the computer.

More info windows 10 …………

Install Now Operating System 7,10

Share with friends ……….