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


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 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


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 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


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)?

Update an Antivirus

What is an Antivirus Program?

An antivirus program is a specifically designed software that allows the user to detect any harmful or infected application or file. It not only detects any malicious file present in the system but it is also capable of destroying that file, and thus preventing any further attack.

Update An Antivirus

The primary function performed by antivirus is that it can detect any potential risk to the system and resolve these risks before they harm or affect the normal working.

It is necessary to have an antivirus on your device for the extensive use of the internet and networking. The risk of an attack using this network has increased significantly.

It is mostly seen that a virus often infects the files that are downloaded form the internet directly. There is always the possibility of having a malware file hidden in the downloaded files.

A good antivirus can protect your device from various types of malware such as worms, spyware, viruses etc. The software can provide real-time protection to the user by preventing the user from downloading such files. Some antivirus software can also provide additional security to the device by adding features such as customized firewalls or automatically blocking or restricting the website. The user can always change these settings from the antivirus software only.

Note: If your system does not have antivirus software, it is highly recommended to download one from the internet or purchase it from any local electronics store.

Update an Antivirus Software

There are two methods to perform an update on the existing antivirus programs. An antivirus program is similar to any other software in your system that can either be updated by using the software itself or by downloading and installing the latest version from the web. The user can also purchase a disk from the market for the latest version of the antivirus.

Updating Using the Software

Generally, the antivirus software notifies the user of the updated version available. Usually, for updating the software, the user must purchase the software's license.

If you have already purchased the licence, you can update the software using following steps without buying it again:

Step 1: Just go to the settings in the application.

Step 2: Check for any updates available.

Step 3: Then click on the latest version of the antivirus and click update.

Step 4: The application will start the update process, and once the process is complete, just click finish and you can check on the version of the program. And, you will see that the antivirus software is updated.

If you were using the free trial version of the application, follow the following steps to perform an update on the application:

Step 1: First, purchase a licence by selecting the most suitable plan that covers your requirements. Generally, the plan can be based on the duration of the validity of the licence. The more expensive antivirus program will protect your systems from more complex attacks on your system.

Step 2: Once the purchase is made, you must type the product's licence key. Once you have entered the product key, it will be verified. Your program will be updated after verification.

Downloading an Updated Version from the Internet

You can visit the website of the antivirus program that has already been installed in your system.

Before downloading the software, make sure you have the product key from the previously installed version. Otherwise, you will have to make the purchase again.

Select the latest version of the software and ensure that the version is compatible with the system settings.

Download the application from the web. Then, go to the location in your system where the file is downloaded. If you have downloaded the zip file from the internet, you can unzip the file to a specific location.

From all the downloaded software files, find the file with the .exe extension and execute the file. The installation process will begin once you run the file. You can easily install the software by choosing the recommended settings. The process will automatically start. You can enter the licence key for the product.

Using the CD/Pen Drive to Update the Software

You can also use storage devices such as pen drives and CD/DVD to store the program. You can install the latest version using the mentioned devices. Just attach the device to your system and run the device. When you execute the program, a window will display that will guide you through the entire process. Follow the steps according to the guide and the latest version of the software.

There may be instances where it will ask you to download additional applications. You can skip or decline the request. It won't affect the working of the software.

After once you have completed all the above steps of whatever method you have chosen. You need to make sure that the update is properly installed. If there are any changes in the OS files, they will get applied too. The user can also perform a restart on the system though it is not necessary.

Why is it advised to constantly update the Antivirus Software?

It is important to update that application in the system that is constantly at threat of an attack. The new updates may provide some additional security to the system or resistance again some viruses or attacks that are recently discovered. It can also be some minor bug fixes etc.

Updating Signature Files

The signature files for antivirus are introduced regularly. They can be updates daily or sometimes multiple times in a day too. These files are important because they contain all the relevant information about the behaviour of the known viruses. The user should allow the software to automatically perform updates. These updates do not require much data.

Maintaining the Scan Engine

It is the component of the software that is responsible for where the signature files are loaded. It performs all the primary functions of the antivirus, such as cleaning, deleting or resolving the viruses.

These updates are not as frequent as the signature file updates. There are generally two reasons for updating the scan engine which are as follows:

The updated version increases the performance of the software.

It can resolve the issue related to scanning engines. It also enables the user to find false negatives.

Securing Operating System

One of the responsibilities of antivirus software is to ensure computer security. The user can perform a system scan and find any potential security threat or vulnerability in the system. This feature allows the user to close any entry points that the user can exploit to hack into the system. The update can check for vulnerabilities and install the patches in the system.

Getting an Update Just after Installing the System

Generally, the software installed in the system doesn't have the latest spyware and viruses. In simple terms, they have not updated versions. The antivirus software does not function properly and has no prior information about the newly discovered spyware or viruses. This makes the system weak to any attack with new viruses or malware. Therefore, it is necessary to update once the antivirus software is installed in your system.

It is always advised to ensure that the software installed in the system is up to date. It should have the recent definitions of virus and spyware to function properly. This will ensure the system is protected from any latest threat or technique to hack into the system.

If the antivirus software urges to perform an update, it is highly advised to perform the update. In most cases, the updates are so frequent that is difficult to keep up with them manually. So, the antivirus can check the available updates by default and install them automatically. They can also notify the user of any new updates, and the user will be required to click on yes to install the system.

Enable Automatic Update in your Antivirus Software

By default, the auto-download feature is enabled in most antivirus software. Though it may be disabled in some cases, such as when the user restricts or limits the internet usage for the software.

The auto-update feature should be enabled for the software to ensure that it is always updated. It is recommended that you maintain the latest versions of the software.

The user is required to follow the given steps to ensure that this feature is installed in your system:

  1. You are required to open the software.
  2. In the applications, look for settings. From there, open the advanced settings. You might see the option for Updates or any other related option performing the same task. If there is no option for advanced settings, you are just required to link the interface of the antivirus program.
  3. Now, select any one of the options which have encountered in the above step. In some software, instead of updates, it may refer to as virus definitions.
  4. Ensure that the above options are checked. If options have not checked then the options are must enabled.
  5. Finally, ensure that you save or apply the changes you have made in the software settings.
  6. Once you have performed this system, the antivirus can perform automatic updates.

If You Don't Perform an Update on Antivirus

If the updates are delayed, then it would mean that the software will lack any new information about the new attacks and threats, which will make the system itself vulnerable to such new attacks. It will render the system defenceless against the new threats.