Hello fellow steemians my name is ikramullah and this is the submission post of homework ot computer given to us by @ubongudofot. This is the summary submission of all the previous lectures .

Computer

computer is a a digital machine which gives us the out put of the data by processing and operating. a single computer can handle task of hundreds of people at the same time. computer are the main operating unit of any organization with the variety of functions it provided to its users.
computer is a multi tasking and multi function operational device which is used by every field of life. I my self use computer in my school as well as home. computer are being used in hospitals, banks, schools, universities, markets, multinational companies and even the small business owners etc. Computer has many useful functions such as calculations, data managing, data storage, data initialization, and with the help of internet the overview of entire world. With every passing day new inventions and development are being made with computer.

Types of computer

there are three main types of computer laptop, PC, and tablet which we learn in our second lecture by @ubongudofot.

PC(Personal computer )

pc is s type of computer which comes with all the external devices which are being connected to the computer via cord. it has main part which includes CPU (central processing unit) which helps to manage the data which is being input by the user and processed it. The result of that input is being shown by the monitor( screen which display the output) .
the main parts of this computer are CPU(central processing unit) , monitor, mouse, keyboard.
It is also called desktop computer this name refers to the the size of the computer because you have to put the computer on desk because it has a huge size. desktop Computers are being connected to the internet via cable.

Laptop computers

laptop computers are modern day computers. its name tells how it is being used you can place it on your lap easily because of its size. The laptop computers are very continent in the modern times. It has a flip book sort of structure which has built in CPU , keyboard, instead of mouse a curser or pointer, and build in camera(both front and back) build in speaker, built in mice and built in USB and microphone ports. Last and not the least laptops can run on battery.
laptop uses internet via WIFI.

Tablet computer

tablet computers are the smartest yet very evolving type of computer. they have a flat surface and a touch screen which controls all the tasks which are previously used by other computer types. its touch screen and reliable battery timing is a need to modern times. it has many other features and multiple apps which helps to control the tasks more effectively without being carrying the burden of PC or laptop.

Input devices

Scanner

scanner is an input device used to scan the paper format data and latter transfer the data to the computer in the form of digital document. The data which is given to the computers with the help of scanner can be converted to PDF and word document as well.

Keyboard

key board a very important and mostly used device for the input. key board has all the numeric and digital key and also manage the most tasks by the keyboard with shortcuts which are directed and lead to specific task with combinations of certain numeric and digital keys.

Mouse

mouse is the pointing device which helps to give certain commands to the operating system with. it has two buttons and one roller pointer.

Digital/ input pen

digital pen is used by the owner of tablet computer of touch screen laptop users. input pen handles all the commands. it comes with a digital invisible laser which helps to input the data into the computer.

Webcam

webcam is also known as the computer camera. it is some times externally connected and mostly in laptops its build it. the webcam is mainly used for video calls by the user via internet.

Computer operations

Computer operations are the tasks which are being performed by the computer by given command with the help of CPU. these operations helps to regulate the data and displayed it the form of audio, video, document and some times pictures.

Inputting

inputting is the process in which the user manage to input the data to the computer in simple language he gives the data to the computer to later on being processed. in this process many devices can be used as an input device for example, USB, microphone, keyboard, scanner and camera etc.

Processing

processing is the process of making the given data to the perform required task commanded by the user to get results. for example a user want the sum of his annual salary first he have to input the amount of his monthly salary to get multiply with the total months he get paid then the time and functions performed by the computer are called processing

Outputting

outputting is the process in which the data is being shown to the user in the form of audio , video , digital document etc.

Storing

storing is one of the best function of the computer. it helps to secure and store data in digital form in different types without being corrupted. most of the people used external hard drives but many use their personal computer to store data which is in bulk. multinational companies , school, courts, hospitals and many others use computers to store data.

Controlling

controlling is self explanatory command performed by the computer. computer helps to control the data with the help of CPU as per requirements of the user.

introduction post link LINK

Cc:
@ubongudofot
@ngoenyi
@peachyladiva
@steemkidss
@sualeha
@madilyn02
@eliany
@bossj23