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 First Generation of Computer Second generation of Computers Third generation of Computers Fourth generation of Computers Fifth generation of Computers Sixth Generation of Computer

Peripheral Devices

Input devices Output device

Components

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

Memory

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

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 How to fix a CMOS checksum error How to Fix a Windows CD-ROM, DVD, or Disc Drive Issue How to Open Safe Mode How to Password Protect Files and Folders in Windows How to Reset CMOS or BIOS Settings How to use Computer Keyboard How to create a text file How to enable or disable DHCP in Windows How to test computer memory to determine if its bad How do double space or change line spacing in Microsoft Word How do I know if I have Windows Administrator Rights How many cores does my computer have How to Create a Directory or Folder How to Enter and Exit the BIOS or CMOS Setup How to change Windows Compatibility mode How to clear your internet browser history How to Connect Computer Speakers How to Copy a Web Page Link or URL How to install a Hard Drive or SSD How to Open the Windows Control Panel How to split a screen in Windows How to copy text from a scanned PDF

Questions

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 What are Recordable DVD Drives What Does Alt + F4 Do What Does Alt + L Do What is a bit (Binary Digit) What is a cable What is a Calculator What is a capacitor What is a Cold Boot What is a Dialog Box What is a Dual-boot What is a Slide What is A4 What is AM What is Barcode Reader What is EHCI What is a Header What is a Joystick What is a Secondary Storage Device What is Access Time What is Account Sharing What is an Asterisk What is Asynchronous DRAM What is Back Quote What is BIOS What is Borderless Printing What is Case Badge What is CD-ROM What is Chat Slang What is Composite What is RJ Cable What Are Bottom Row Keys What is SAN What is Tray What is VDU What Does Alt + M Do What Does Alt + P Do What is a Cell What is a Command Key What is a key Combination What is a Menu Bar What is a Startup What is a T What is Chat What are the F1 through F12 keys What does Alt + Enter do What Does Alt + Home DO What does Alt + R do What does Ctrl + B do What Does Ctrl + Enter Do What Does Ctrl + R Do What does Ctrl + G do What does Ctrl + 9 do What does Ctrl + End do What does Ctrl + O do What Does Ctrl + P do What Does Ctrl + Q do What is a Colon What is a Core What is Apple Touch Icon What is Clock What is Code What is Computer Crime What is Ctrl What is DAT What is Data diddling What is Date Why won't my computer turn on What Does Alt + N Do What does ctrl + 2 do What does ctrl + space do What does Ctrl + W do What does Ctrl + T Do What Does Ctrl + 2 do What does Ctrl + 5 Do What are the most common file types and file extensions What are Sticky keys What Does Ctrl + Shift + Esc Do What is Settings What is Task Manager What is Taskbar What is a DNS Resolver What does ctrl + 1 do What does ctrl + 0 do How to install software What is a Folder What is a Legend What is a MAC Address What is a Path What is a Ruler What is a Toolbar What is an Intranet Meaning and Differences with Internet What is an SSD What is Inheritance What is Tablet What is Depth What is Docking Station What is Double Click What is a Solid Ink Printer What is a Temporary File What is Backup and Restore What is Electronic Payment Systems Eps What is Marshalling

Difference

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 Difference between Optical Fibre and Coaxial Cable Difference between Website and Webpage Difference between Classes and Objects Input VS Output Difference between Primary and Secondary Storage with Examples

Misc

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 10 Essential Examples of Web Browsers Binary Subtraction using 2’s Complement Case Sensitive Languages Computer Pioneers and people who are CEO Microsoft Word Shortcut Keys Parts of Computers Names, Definitions and Images ROM and its Types Basics of Information Technology Characteristics of a Good Software Design Characteristics of Management Information System Classification of Management Information System Implementation of MIS Input Devices of Computer Definition Limitations of Management Information System 3 Types Of Network in Computer Block Diagram Of Control Unit Difference Between Computer and Embedded System Difference Between Hard Disk and Floppy Disk Abstraction in OOAD Hardware and Software Devices Optomechanical Mouse CMOS Memory What is a Terminal? What is Graphic Design? What is Load? What is Passcode? What is Reboot? What is Registry? What is Safe Mode? What is Standby? What is SYN (Synchronize)? What is Task Manager? Attribute Computing BPS in Computer Bulletin Board System Light Pen Input Device 3 TYPES OF NETWORK IN COMPUTER Block diagram of control unit What is a Solid Ink Printer? What is a Temporary File? What is an App launcher? What is Backup and Restore? What is a Tab Character? What is the Core i3? What is Paint? What is a Workbook? Advantages and Disadvantages of Online Education What is a String? What is a VDU (Visible Display Unit)? 50 Uses of Computer What is Workspace? What is a Procedural Language? What is VGA (Video Graphics Array)?

How to use Computer Keyboard?

A computer keyboard is an essential input device for any computer. It allows users to type characters, numbers, and symbols into your computer and includes special keys that are used to perform specific functions or commands. The standard keyboard layout is known as QWERTY, which is based on the first six letters of the top row of letters on the keyboard.

How to use Computer Keyboard?

To use a computer keyboard, start by sitting in a comfortable position and placing the keyboard in front of your computer monitor. Position your hands on the keyboard with your fingers resting on the home row keys, which are the letters A, S, D, and F for the left hand and J, K, L, and; for the right hand. Use your fingers to type the letters and numbers on the keyboard. To type capital letters, hold down the Shift key while typing the letter. To use special characters or symbols, hold down the Shift key and press the appropriate key, or use the numeric keypad (if available) and press Alt or Alt + Fn.

Additionally, you can use the arrow keys, Tab, Enter, Backspace, and function keys (F1-F12) to navigate and use shortcuts on the computer. To type numbers, you can use the numeric keypad or the numbers located at the top of the keyboard. To type punctuation, you can use the keys above the letters. To use keyboard shortcuts, press and hold the “Control” (Ctrl) key and press another key. And to type different languages, you can use the input method editor (IME) or language bar to switch between languages.

Connecting the keyboard

To connect a keyboard to a computer, you will need to follow these steps:

1. Locate the appropriate port on your computer: Most computers have a USB port, which is typically located on the back or side of the computer. Some older computers may have a PS/2 port, which is typically located on the back of the computer.

2. Plug the keyboard's cable into the appropriate port: If your keyboard uses a USB cable, plug it into a USB port on your computer. If your keyboard uses a PS/2 cable, plug it into a PS/2 port on your computer.

3. Turn on your computer: Once your keyboard is connected to your computer, turn on your computer to begin using it.

4. Install any necessary drivers: If your keyboard requires special drivers or software to function properly, you may need to install them before you can use your keyboard. The drivers or software will typically come on a disc that was included with your keyboard, or you can download them from the manufacturer's website.

5. Check the settings: After connecting your keyboard, you may need to adjust the settings on your computer to ensure the keyboard is configured correctly. For example, you may need to set the language or layout of the keyboard, or you may need to adjust the speed of the cursor.

How to turn on the keyboard

Most computer keyboards do not have a power switch or button. They are powered by the computer through the USB or PS/2 port, so they turn on automatically when they are connected to the computer, and the computer is turned on.

However, some wireless keyboards or gaming keyboards may have a power switch or button. In this case, you will need to turn on the keyboard by pressing the power button or switch located on the keyboard. Once the keyboard is turned on, it should automatically connect to the computer if it's within the range of the computer and configured correctly.

It's important to note that some keyboards may have a battery that needs to be replaced or charged. Before using it, ensure the keyboard has enough charge or the batteries are new.

Also, suppose the keyboard is not working properly. In that case, you can try to disconnect the keyboard and reconnect it again or check the settings on your computer to ensure the keyboard is configured correctly.

Familiarizing yourself with the keyboard

How to use Computer Keyboard?

Overview of each section of the keyboard

1. Alphanumeric keyboard: An alphanumeric keyboard is a type of keyboard that includes letters and numbers, as well as a variety of other characters, such as punctuation marks and special symbols. The alphanumeric keyboard is the most common type of keyboard and is used for general-purpose computer input.

The alphanumeric keyboard layout is based on the standard QWERTY layout, which is designed to make typing easy and efficient. The keys are arranged in a grid pattern, with the letters and numbers located on the main part of the keyboard and other characters and symbols located on the top row of the keyboard or accessed through the use of the "Shift" or "Alt" key.

The alphanumeric keyboard also includes navigation keys such as the arrow keys, Tab, Enter, Backspace, and function keys (F1-F12), which help navigate and use the computer's shortcuts.

An alphanumeric keyboard also has a numeric keypad which can be used for entering numbers quickly and easily. This keypad can also be used for other functions, such as cursor movement and other special functions.

2. Function keys: Function keys are keys on a computer keyboard typically labeled F1 through F12. These keys are located at the top of a keyboard and are used to perform specific functions or commands. The function of these keys can vary depending on the operating system and the program currently running.

Some of the common uses of function keys include:

  • F1: It is often used as a general help key, pressing F1 will usually bring up a help menu or documentation for the currently open program.
  • F2: Its use is to rename a selected file or folder.
  • F3: It is frequently used to search for a specific file or text within a document.
  • F4: It is often used to open the address bar in a web browser or to repeat the last action in a program.
  • F5: Its use is to refresh a webpage or to run a program in debug mode.
  • F6: It is often used to move the cursor to the address bar in a web browser or to change the focus to a different part of a program.
  • F7: It is commonly used to spell check or grammar check a document.
  • F8: It is often used to enter Safe Mode in Windows or to access the boot menu in a computer.
  • F9: It is commonly used to send or receive email.
  • F10: It is frequently used to access a program's menu bar or enter BIOS in a computer.
  • F11: Its use is to enter full-screen mode in a program or browser.
  • F12: It is often used to open the developer console or access a program's Save As dialog box.

Control and toggle keys

How to use Computer Keyboard?

Control and toggle keys are special keys on a computer keyboard used to perform specific functions or commands.

Control keys are often labeled "Ctrl" and are used in combination with other keys to perform specific functions. Some examples of common control key shortcuts include:

  • Ctrl + C: This shortcut is used to copy selected text or files.
  • Ctrl + V: This shortcut is used to paste the copied text or files.
  • Ctrl + X: This shortcut is used to cut selected text or files.
  • Ctrl + Z: This shortcut is used to undo the last action.
  • Ctrl + A: This shortcut is used to select all text or files in a document or folder.
  • Ctrl + F: This shortcut is used to find specific text within a document.
  • Ctrl + P: This shortcut is used to print a document.

Toggle keys are keys that switch between two states, like the Caps Lock, Num Lock, and Scroll Lock keys. These keys are used to enable or disable certain functions on the keyboard. For example, when the Caps Lock key is activated, all letters typed will be in uppercase. When it's deactivated, the letters will be in lowercase. The Num Lock key activates the numeric keypad, allowing you to type numbers instead of cursor movement, and the Scroll Lock key disables the arrow keys for scrolling and enables them for cursor movement.

Keypad

A keypad is a set of keys on a computer keyboard that is used to enter numbers. The keypad is typically located on the right side of the keyboard and is usually labeled with numbers 0 through 9, as well as arithmetic operators such as +, -, *, and /.

  • Num Lock mode: When the Num Lock key is on, the keypad is used for entering numbers, and the keys work just like a calculator.
  • Arrow keys mode: When the Num Lock key is off, the keypad is used for cursor movement. The keys are used to move the cursor up, down, left, and right.

The keypad can be very useful for tasks that involve a lot of numerical data entry, such as financial calculations or data entry in spreadsheets. Some keypads also include additional keys, such as the Insert, Delete, Home, and End keys, which can be used to navigate and edit text documents.

Wrist pad

A wrist pad, also known as a wrist rest, is an ergonomic device that is designed to be placed in front of a computer keyboard. The purpose of a wrist pad is to provide support for the wrists and reduce stress and strain on the hands and wrists while

typing.

Wrist pads are usually made of foam or gel and can be placed directly on a desk or table. They are designed to provide a comfortable, elevated surface for the wrists to rest on, which helps to reduce pressure on the tendons and joints in the hands and wrists. This can help to prevent injuries such as carpal tunnel syndrome and repetitive strain injury.

Arrow keys

How to use Computer Keyboard?

The arrow keys are a set of four keys found on a computer keyboard that is used for navigation and cursor movement. The up arrow key moves the cursor or selection upward, the down arrow key moves it downward, the left arrow key moves it to the left, and the right arrow key moves it to the right. These keys are often used in combination with other keys to perform specific actions or shortcuts.

Start typing and learn how to position your hands.

How to use Computer Keyboard?

When starting to type, it's important to position your hands correctly on the keyboard to avoid strain and improve typing speed and accuracy. One common technique is the "home row" position, where the fingers rest on the following keys:

  • Left hand: "ASDF" keys
  • Right hand: "JKL;" keys

This positioning allows the fingers to easily reach for the other letters and symbols on the keyboard. Additionally, it's important to keep your wrists straight and avoid resting them on the edge of the desk or keyboard. Using a keyboard wrist rest or ergonomic keyboard can also help to reduce strain on the wrists.