Computer Fundamentals Index

Computer Introduction Types of computer Characteristics of computer Uses of computer History of Computers

Computer Languages

Low Level language Middle level Language High level language

Computer Generation

Generation of Computers Second generation of Computers Third generation of Computers Fourth generation of Computers Fifth generation of Computers

Peripheral Devices

Input devices Output device


Block diagram and basic components Control processing unit (CPU) Software Hardware


Computer Memory Registers Memory Hierarchy RAM Vs ROM Understanding file sizes (Bytes, KB, MB, GB, TB, PB, EB, ZB, YB)

Computer Network

Types of Network Types of Area Networks (LAN, WAN, MAN) TCP Flags

Computer Virus

Computer Virus

Computer Ports

Computer Ports


How to hack a computer How much do Computer Programmers make How does a Computer work How to associate a file with a program How does a computer convert text into binary How does a computer process data into information How to fix a CD-ROM DVD How to fix the no input signal How to install computer memory How to associate a file with a program How to log out of your operating system How do I change my name on Google How to installation or uninstallation Microsoft Paint How to fix a not a valid Win32 application error How to fix missing Microsoft Windows .dll files How to use a computer keyboard How to erase my hard drive and start over How can I test how many words I can write a minute How to shut down a computer How do I open and edit the Windows registry How to edit the registry from the command line How to restart Microsoft Windows How to install a computer processor How to open Microsoft Paint How to fix problems in Windows after installing new software How to enable or disable the preview pane of Microsoft Outlook How to open a Microsoft .wps or Works file in Word How to view the HTML source code in Microsoft Word How to View or Change the Screen Resolution of a Monitor How to Connect and Install a Computer Keyboard How to Delete Temporary Files in Windows 10 How to determine Which Version of Microsoft Office I'm using How to find out how much hard drive space is available How to Fix PC Stuck on Verifying DMI Pool Data How to choose which items show in the notification area How to find similar images using Search by Image How to fix Low Memory and out of memory errors How To Replace the CMOS Battery How do I Update my Antivirus Program How to fix a general protection fault How to Identify problems in the Windows Device Manager How can the Base be Shown How to test if a Website or Web Page is down How Much is 1 Byte, Kilobyte, Megabyte, Gigabyte, etc


Who invented Computer What are the advantages of the Internet? What are the disadvantages of the Internet? Is my computer 64 bit? What is Edge Computing? What is a Router? What is Monitor What is Printer What is a Web Browser What is Microphone What is a Webcam What is PC What is Keyboard What is Motherboard What is WAP What is URL What is a Digital Assistant When was the first Computer Invented What is Modem What is Firmware What is Imperative Programming What is Protocol What is Safe Mode What is Device Driver What is Hybrid Topology What is Mesh Topology What is Procedural language What is a hyperlink What is a Username Who invented the Internet What is Video Card What is Sound Card What is Binary What does Alt+B do What does Alt+D do What does Alt+E do What does Alt+Esc do What does Alt+R do What does ALT + Q do What does Alt + Tab do What is Data Manipulation What is a touch screen What is Back Panel What is Analog Monitor What is AR lens What is an ATX Style Connector What is a File System What is Hard Disk Drive (HDD) What is a boot device What is accessibility What is Line In What is network Interface card (NIC) What is Optical Disk Where can I ask questions on the internet What is Auto Rotate What is CAD (Computer-aided design) What is Cable Modem What is Home Page What is boot menu What is braille reader What is flash memory What is Windows What is Clipboard What is Cyber Warfare What is Myspace Why has my IP address changed What is Jacquard Loom My computer is running slow, what steps can I do to fix it What is a Kensington Lock What is a multicore processor What is automation Are smartphones and tablets computers What is a Login Script What is a Loosely Typed Language What is Multitasking? Why my computer monitor shows no display or black screen What is REM What is Parallelization What is Overtype mode What is open with What is Bracket What is an Online Service What is REM What is Parallelization What is Overtype mode What is open with What is Bracket What is an Online Service What is the Pg Dn Key (Page Down Key) What is the Pg up Key (Page up Key) What is Palmtop Computer What is a Processing Device What is a Print Preview What is the Print Screen Key What can I do if my computer or laptop is lost or stolen What is a Model Number What are the currently available antivirus programs What are Toggle keys What is a Case fan What is a Silicon Chip What is a Slate PC What is a TAB stop What is an Octothorpe What is Task Pane What is Task View What is the svchost.exe file used for in Windows Where can I find free online virus scanners Why am I unable to increase the resolution in Windows What is Autofill When I click my mouse, it sometimes double-clicks What is Scratch What is UDIMM What is MsConfig What is an Expansion Card What is an Executable File What is an Elevated Command Prompt What is an AC Adapter What is AIMBOT What is a Software Suite What is a LED Monitor What does Alt + X do What does alt + space do What does Alt + O do Now that I’ve got a Computer, what can i do What is a Punch Card What is RDIMM What is Select All What is Serial number What is Thermos flask What programs can I use for speech recognition What are the Advantages of Computers What are the Disadvantages of Computers What does Alt + T do What Hardware Device Drivers should be Updated What is a Desktop What is a Ring Topology What is CMOS What is a Directory What is a Mechanical Mouse What is a Plotter What is a Variable What is an Icon What is Data What is HDMI What is Remote What is Right-Click What is SMPS Why does my Laptop not turn on What is a Copyright What is a Cordless Mouse What is a CSV file What is a Joystick What is a Start Button What is a Taskbar What is an Alignment What is an Output Device What is Cat 5 What is Google Chrome What is Post


Difference between hardware and software Difference between multiprocessor and distributed systems Difference between Desktop and Laptop Difference between File and folder Difference between Hard Copy and Soft Copy Open Source Programs vs Closed Source Programs


Quantum Computing Computer Software Autoexec.bat and config.sys info Update an Antivirus Use of Internet Advantages and disadvantages of Email Computing Power Internet Explorer Shortcut Keys Advanced Encryption Standard (AES) Augmented Reality Infrastructure Readiness Check Top 10 Internet tips and tricks Introduction and Features of FoxPro Features of Multimedia Top 10 online services and applications Receiving S.M.A.R.T. status bad backup and replacing error Version Control System Uninstalling Software or Apps in Windows Data Warehouse Increase or decrease font size in Word using keyboard shortcuts Mouse not detected or working in Windows Computer Cleaning Information and Steps Function Keys on Keyboard Windows 7 Alt+Tab won’t stay on top or stick

What is Keyboard?

In modern times, computer is one of the most important digital technologies for any human being.

People will also efficiently correlate these new technologies with the increasing daily-by-day technology. Today’s environment, all universes became in digital format. Discover a computer refers to improving and enhancing computer technology with time. Nowadays, computers are a basic and necessary need of any people. Without a computer, we cannot do any digital activity. Any computer must have its corresponding Keyboard.

A computer is an electronic device that accepts and stores data input, after that processes the data input and finally generates output.

There are so many input devices available; some of the most important input devices are described below.

  • Keyboard
  • Mouse
  • Joystick
  • Light pen
  • Trackball
  • Scanner
  • Microphone
  • Graphic Tablet
  • Bar Code Reader.
  • Optical Character Reader (OCR)
  • Optical Mark Reader (OMR)

 “A keyboard is a type of primary peripheral input device that allows user to input text into a computer or any other electronic instruments or machinery”. The Keyboard provides communication between users to the computer or any electronic instruments.

A keyboard is either a wireless or wired Keyboard. Both are doing the same functions.

The Keyboard is nothing but the same as a traditional typewriter. It consists of multiple buttons and some most useful keys (special keys), which provide input to the computer in numbers, symbols, and letters. The input characters, numbers, and letters are arranged so that it helps to type and give input as quickly. If we consider design, it is almost the same as a typewriter.

What Is Keyboard

The above picture shows a simple keyboard consisting of all alphabetical letters, numbers, and some special function keys. It includes many other keys like Alt, Ctrl, Windows keys, etc. The structure of a keyboard is almost the same as a typewriter.

Description of different types of Keys on the Keyboard:

The following types of keys are available on any keyboard listed below.

Typing Keys

With the help of typing keys, we provide input to the computer as required. AS the name suggests, the typing keys include all the alphabetical letter keys ("A-Z" or "a-z") and number keys (0-9). It is the most important and basic type of key on the Keyboard. The function of the Typing keys is same as a typewriter.

Numeric Key or Keypad

A numeric keypad is a separate set of keys on keyboards that contain a set of seventeen keys which consist of numbers between (0-9), and it also consists of basic arithmetic keys (+,-,*, /,), etc. ENTER key also is there in a set

Of numeric keys. It is used for computing purposes, the same as a like calculator. Numeric keys are also known as cursor control keys. NUM LOCK key is also in this set of the numeric keypad.

Function Keys

Twelve function keys are available on the Keyboard, arranged at the top of the Keyboard in serial format, which means “F1 to F12”. Every function key has a unique meaning and is used in software applications.

This type of key gives some shortcut operations to perform as we want. For example, we press the keys Alt+F4; this gives a shortcut option to shut down, restart, and sleep mode. Therefore, we can shut down the computer easily.

Control Keys

Control keys provide for cursor and screen control movement. This type of key also includes four directional arrow keys. It also includes some useful keys like Home, End, Insert, Delete, Page Up, Page Down, Ctrl, Alt, Escape (Esc), etc.

Special Purpose Keys

Keyboard also contains some special purpose keys such as EDITING KEYs (Enter, Delete, insert), modifier keys such as (Shift, Control), Caps Lock, Num lock keys (Caps Lock), Space bar, tab, and Print Screen. These keys are very useful in writing letters or numbers for specific purposes.

For instance, we are typing in small letters and suddenly want to enter letters in the uppercase format, then we have to press the Caps Lock key. We can easily write in desired uppercase or lowercase letters by pressing this. 

Types of the Keyboard

If we talk about the types of keyboards, following types of keyboards are available. every type of Keyboard is used to give input to the computers. But one question arises as to which type of Keyboard is used. To solve this, we describe each type of Keyboard. These are listed below.

Mechanical Keyboards

A mechanical keyboard is a keyboard built with key switches. It provides a click sound and gives better feedback for a gaming system. It is fully made up of LED lighting.

This type of Keyboard is mostly used in gaming. It is made of high quality and used for home and office purposes. 

What Is Keyboard

Flexible Keyboard

As the name suggests, these types of keyboards are inflexible. It is made up of soft materials such as silicon. The main advantage of this Keyboard is that; it can be portable, and we can roll it into a smaller size.

The main features of these types of keyboards are

  • Highly portable and very convenient
  • Water-resistant.
  • Silent operation.
  • Available in wireless or Bluetooth versions support.
What Is Keyboard

Membrane keyboards

A membrane keyboard is such a type of Keyboard with no separate keys. It is easily recognizable because there is more space between each key. It is made up of silicon switches. It is used in operational panels, medical equipment, and industrial purpose.

What Is Keyboard

Features of Membrane keyboard

  • Flexible in nature with made up of thin materials
  • Very low price due to common and conventional technology.
  • Simple design keyboards as compared to others.
  • Used in electronic systems.

Advantages of Membrane Keyboard

  • Very small in size as compared to other keyboards
  • Simple design
  • It produces less noise, even also typing at high speed.       
  • It is made up of plastic, which makes it lighter.

The disadvantage of a Membrane keyboard

  • Some membrane keyboard does not have removable keycaps.
  • Lack of tactile feedback

Ergonomic keyboards

Many professionals and computer workers mainly suffer from the main problems with the normal keyboards due to the constant pressure regularly on the Keyboard. So Ergonomic keywords are designed to stay relaxed while working and typing on the Keyboard regularly.

 Advantages of ergonomic keywords

  • Reduces stress on hands.
  • Provide a more comfortable working environment.
  • More productive as compared to others.

Disadvantages of using ergonomic keywords.

  • Users must learn how to operate before use of this
  • Changing to an ergonomic keyboard may affect the Keyboard with speed and accuracy.
  • Users may face other kinds of physical stress due to regular use of this.
What Is Keyboard

Gaming keyboards.

As we all are interested in online play games and an entire segment of the computer industry depends on it, gaming keyboards are the best option to use.

Features of gaming keyboards are as follows.

  • It is designed to be used for a long session so that you can play the game continuously without interruption.
  • Key rollover refers to several keystrokes "remember" options.
  • It allows some programmable macro functions to play the game. These features provide several different keyboard combinations into one keypress.

Disadvantages of gaming keyboard.

  • Gaming a keyboard can be more expensive than normal keyboards.
  • Macro programming can sometimes be difficult for users to understand
What Is Keyboard

Wireless keyboards

Wireless technology has been growing day by day in recent times. Everything is wireless these days. Computer keyboards are also one of them is an example of wireless instruments. Almost every type of Keyboard is available in wireless form. Wireless keyboards come in varied types, so we need to choose looks for the best keyboards.

Some of the main aspects of things to choose the better wireless system, which are as follows:

  • How do you want to connect your Keyboard?
  • What kind of wireless technology can support it?
  • What keyboard option do you want?

The disadvantage of wireless keyboards.

  • All wireless keyboards need some batteries in regularly. Therefore, it needs to be changed every time. It can be limited range.
What Is Keyboard

Multimedia keyboards

As the name indicates, this type of Keyboard is used for multimedia purposes, such as digitally controlling the overall sound, picture, image, etc. There are more no of keyboards available to control the features. Home theatre is the best example of this type of Keyboard.

Features of multimedia keyboards.

  • Separate control option for audio as well as video format.
  •  Any problems can easily browse on the internet through home theatre.
  • Easily interface with several devices.

Disadvantages of multimedia keyboards

  • Hard to program for special keys.
  • There are sometimes issues related to cheaper keyboards.
  • Sometimes software can create an issue regarding updating an operating system.         
What Is Keyboard

Projection Keyboards

Projection keyboards are widely used for smart devices, the primary connection to the internet. A projection keyboard is basically in the form of a virtual keyboard. This type of Keyboard is used for laser purposes, by which it displays the image of the Keyboard on any hard surface. Optical Sensors are used to display the image by laser.

What Is Keyboard

Benefits of projection keyboards

  • They are more secure and reduce the chance of keyboard logging.
  • It is portable as compared to other types of keyboards
  • Very easy and fun to use

Disadvantages of projection keyboards

  • Sometimes, it gives bright light that can make it hard to see.
  • The Color of the surface affects the eyes.