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)? Object Linking and Embedding in MS Word Semiconductor Memory Types of Parallel Computing Web Resources Difference between Virus, Worm and Trojan Horse Difference between HQ (High Quality) and HD (High Definition) What is Text Wrapping What is Timestamp? Semiconductor Ram Memory What is a File Attribute? What is a Video Call? Difference between SDRAM and DDR What is ANSI? Difference between DOS and Windows How to Set the Path and Environment Variables in Windows? Mainframe System What is ScanDisk? C drive in Mac Computer Memory Table How to Change the Keyboard Language in Windows? What is a Video Call? What is a Zoom Slider? What is Floppy Disk in Computer What is the most Popular Operating System? OMR in Computer What is a Work Area?

What is 104 Keyboard?

104 Keyboard is a keyboard which is coming with PCs Nowadays. It is the standard keyboard for all users of PCs. It is also used in gaming. E-Gamers used this keyboard for a gaming point of view before the 104 keyboards a 101 keyboards came. The 104 keyboard's first variant comes in after 1994. In the variant of the 104 keyboards after the 101 keyboards, there is an addition of 3 three keys which upgrades the keyboard's features and enhances the utility of the 104 keyboards.

What is 104 Keyboard

All the 104 keys of the keyboard are described below: -

S. NoKey NameUses
1ECS (Escape key)This key is used for closing any dialogue box, or is used for exiting any window.  
2F1 – Function KeyIt is commonly used to open help menu for most of the software.  
3F2 – Function KeyIt is used to rename any file of the computer or edit the excel cell threw it (ctrl+F2 is used to print preview)  
4F3 – Function KeyFor changing the case in Microsoft word, Shift + F3 is used.  
5F4 – Function KeyAlt + F4 is used to close all the windows and shut down the PC. Ctrl + F4 is used to close the window one by one, and Shift + F4 is used to move the cursor at the beginning of the text.  
6F5 – Function KeyF5 is used to refresh the PC; it is also used to show the PowerPoint slide in the power point, and to restore the window in the excel file. Furthermore, Alt + F5 is used to restore the window in the word pad.  
7F6 – Function KeyFor changing the location of the sheet from one sheet to another, F6 is used.  
8F7 – Function KeyFor checking the grammatical mistakes and spelling in the file, F7 is used.  
9F8 – Function KeyFor locking the cell selection in MS excel, F8 is used. Additionally, Alt + F8 is used to open the macro dialog box.
10F9 – Function KeyTaking all the numbers in the formulas of excel F9 is used; Ctrl is used to minimize the excel.  
11F10 – Function KeyFor maximizing and restoring documents, Ctrl + F10 is used; Shift + F10 is used to click right.  
12F11 – Function KeyFor entering into the full-screen, F11 is used.  
13F12 – Function KeyF12 is used to show html code in the browser; F12 is used to save as the file; Ctrl + F12 is used to open the file.  
14Home – Navigation KeyThe home key is used to go to the beginning of the row, and ctrl + Shift + home is used to go starting of the page.  
15End – Navigation KeyThe end key is used to send the cursor to the end of the page, and ctrl + Shift + end is used to send the cursor to the end of the paragraph.    
16Insert – Navigation Key: -For overlapping the content insert key is used, and Shift + insert is used for pasting the content.  
17Page Up – Navigation Key  Page up is used to send the cursor to the top of the page.
18Page Down – Navigation KeyPage down is used to scroll down to the page.  
19Delete – Navigation KeyIt is used to delete any content or file in the computer.  
20BackspaceBackspace is used to erase the content word by word; Alt + left arrow is used to view the previous folder.  
21EnterEnter key is used to change the line or paragraph, and ctrl + enter is used to break the page.  
22SpacebarSpace key is used to give space between the two words; ctrl + space is used to select the row; Shift + space is used to select the column.  
23Print ScreenPrint screen is used to take a screenshot, and window + print screen is used to take a rapid screenshot
24Scroll Lock.  The scroll lock key is used to lock the scroll
25Pause | BreakFor pausing the reply of the CMD, windows pause and break are used.  
26Num LockNum lock is used to on off the number keyboard in the 104 Keyboard.  
27Up Arrow – Directional KeyIt is used with the shift key for selecting upper cells in the excel sheet.  
28Down Arrow Directional KeyIt is used to select the down cells in the excel sheet, but it is used with the shift key when we want to select down cells.  
29Right Arrow – Directional Key  For selecting the right cells in the excel sheet, the Shift + right arrow key is used for selection.
30Left Arrow –Directional KeyIt is used with the shift key for selecting the left cells in the excel sheet.  
31Tab  Using a tab bar, we can write content in one alignment, and the alt + tab is used to go into another program; the Win + tab is used to switch the application.
32+ Plus, signThis sign is used for calculating a mathematical operation.  
33*Multiplication signThis sign is used for performing a mathematical operation in terms of multiplication.  
34Caps lockCaps lock is also used for writing the text in capital letters.  
35ShiftIt is used to type words in capital letters and for fast selection in the text.  
36CtrlIt is used with many keys for doing many tasks on the computer.  
37WindowIt is used with M for minimizing the content, and it is also used with D for both minimizing and maximizing the text.  
38AltIt is used with F4 for closing the folder or for the shutdown. computer Alt + F4 + enter is used.  
39Menu KeyThe menu key is used for doing a right-click on the keyboard.  
40Num lockPart of the primary keyboard can be changed to function as a numeric keypad instead of letters by pressing the NumLock key.
41/ Divide SignThis sign is used for doing a mathematical operation in terms of division.  
42-Minus signThis sign is used for doing a mathematical operation in terms of minus.  
43EnterFor changing the line or paragraph enter key is used. Also, ctrl + enter is used for breaking the page.  
440It is used for mathematical calculations or showing values anywhere in the text file.  
451It is used for mathematical calculations or showing values anywhere in the text file.  
462It is used for mathematical calculations or showing values anywhere in the text file.  
473It is used for mathematical calculations or showing values anywhere in the text file.  
484It is used for mathematical calculations or showing values anywhere in the text file.  
495It is used for mathematical calculations or showing values anywhere in the text file.  
506It is used for mathematical calculations or showing values anywhere in the text file.  
517It is used for mathematical calculations or showing values anywhere in the text file.
528It is used for mathematical calculations or showing values anywhere in the text file.  
539It is used for mathematical calculations or showing values anywhere in the text file.  
54$Ctrl + Shift + $ is used to convert number format into currency in an excel file.  
55^  Ctrl + Shift + $ is used to convert the number format into the scientific format in an excel file.
56%Ctrl + Shift + % is used to convert the number format into the percent format in an excel file.  
57&It is used to join two sentences and write as ampersand and symbol.  
58*-Used as a multiply sign to calculate the product.  
59~  Ctrl + shift + ~ is used to convert the number format into the general format in an excel file.
60!  Ctrl + Shift +! convert the general format into number format in an excel file.
61@Ctrl + Shift + @ is used to convert number format into time format in an excel file.  
62#Ctrl + shift + # is used to convert number format into data format in an excel file.  
63(In the excel file, ctrl + (is used for hiding, and Ctrl + Shift + (is used for row unhide in the excel file.  
64)In the excel file, ctrl + (is used for hiding, and Ctrl + Shift + (is used for column unhide in the excel file.  
65-/_  Ctrl + (-) is used for deleting rows and columns in the excel file.
66+ / =.  In an excel file, ctrl + Shift + (+) is used for adding rows and column; Alt + (=) is used for calling the auto sum formula directly
67{/[Ctrl + [ is used for decreasing the font size of the file
68}/]Ctrl + ] is used for increasing the font size of the file.
69| / \A backslash is used for accessing the network in the network area
70; / :Ctrl +; is used to insert the data and for inserting current time ctrl + Shift +: is used.
71“ \ ‘It is used in the excel sheet for writing formulas and typing inserted commas and colons.
72< / ,Ctrl + Shift + < is used to decrease the text's font size.
73>/.Ctrl + Shift + > is used to increase the text's font size.
74? / (/)? this symbol is used at the end of the question, and a slash is used to differentiate the words in the text.
75Ctrl + ACtrl + A is used to select the whole text in the word file or any text.
76Ctrl + BIt is used to bold the text in the text document
77Ctrl + CIt is used to copy the selected content in the text file
78Ctrl + DIt is used in the excel sheet for duplicating the content
79Ctrl + EIt is used to flash fill in the excel file or align the center in the word
80Ctrl + FIt is used to find any text in the text file
81Ctrl + GIt is used to jump the page in the text file
82Ctrl + HIt is used to replace the text in the text file
83Ctrl + ICtrl + I is used to write the text in the italic format
84Ctrl + JCtrl + J is used to justify the paragraph
85Ctrl + KCtrl + K is used to hyperlink the file directly
86Ctrl + LIt is used to go to the left side of the sheet
87Ctrl + MIt is used to increase the indent of the paragraph, and Ctrl + Shift + M is used to decrease the indent of the paragraph
88Ctrl + NCtrl + N is used to open a new document or file
89Ctrl + OCtrl + O is used to open the existing file in the Computer
90Ctrl + PIt is used to print the file or document
91Ctrl + QCtrl + Shift + Q is used to convert the paragraph into symbol font in the word file
92Ctrl + RIt is used to align the text on the right side of the page in the word
93Ctrl + SIt is used to save the files
94Ctrl +TIt is used to insert the table in the word file
95Ctrl + UIt is used to underline the text in the word file
96Ctrl + VIt is used to paste the copied file that is stored in the clipboard in the word
97Ctrl + WIt is used to close the opened document in the word
98Ctrl + XIt is used to cut the text from any type of file
99Ctrl + YIt is used to take text one step forward or redo the word
100Ctrl + ZIt is used to undo the text or one step backward in the word
101( . )It is used to end the sentence in any type of file and document
102AltAlt + F4 is used to end any file open in the computer, or Alt + F4 + enter is used for shutting down the computer.
103CtrlCtrl has many keys to perform many operations in the text file.
104ShiftIt is used to type words in capital letters and for fast selection in the text.