If you have ever opened a PC you must have witnessed a power supply unit (PSU) screwed onto the case with a few screws. You must also have wondered when power is coming from the switchboard why a separate power supply is built into your computer? Well, we will clear your doubts. Actually, your computer…
Mobile devices today need some sort of a removable storage device for temporary or permanent storage of digital information. Secure Digital(SD) format has become a clear and undisputed leader in recent times and comprehensively overpowered older technologies like MMC (Multimedia Card). Secure digital memory cards can store data such as pictures, videos, music, or any…
The story of Sony warfare attack! Cyberwarfare has been defined by Wikipedia as “actions by a nation-state to penetrate another nation’s computers or networks for the purposes of causing damage or disruption”. Most of such cyber-attacks in history were undeclared secretive operations by nations. However, such attacks can be performed by terrorist groups, extremists, hacktivists,…
Encryption is a process of coding plain text to create ciphertext to secure data. Symmetric Key Encryption This type of encryption uses the single shared key for: -for encrypting information -for decrypting information Symmetric encryption is very fast but managing the key is a challenge because if the key gets lost or stolen one can…
Microsoft periodically releases software updates (also known as patches) that are important for your software after release. Microsoft has product teams that are responsible for continually monitoring and improving their software through developing updates and resolving issues. These updates can prevent or fix problems, improve the performance of your computer or enhance your computer experience….
Unshielded Twisted Pair (UTP) cabling is used in the vast majority of wired computer networks these days as it specified cable type of 10/100/1000BaseT networks. Every computer network has different requirements in terms of bandwidth (the rate of transfer of data) and the appropriate category of UTP cable is selected from the following Categories :…
This guide has been created to help small businesses to select appropriate “Duty Rostering Software” for their businesses. Many small businesses have been scheduling the shifts of their employees on Microsoft Excel or are using Google Documents for that purpose. If you are doing it you are spending your valuable time fighting fires, we suggest…
POP3 & IMAP protocols are used to retrieve emails from and email server on a mobile, tablet or PC. Whereas SMTP is a protocol used for sending emails to email servers POP3 (Post Office Protocol) POP3 is abbreviation which stands for Post Office Protocol 3. It is a very simple protocol in the sense that…
CRT screens used in the past have completely been replaced by LCD screens on desktop computers as well as laptop computers. There are two important types of LCD screens popular in the technology area which are called Active Matrix LCDs and Passive Matrix LCDs. Let’s see the differences between them: Characteristics Passive Matrix LCD Active…
When your phone freezes, it could be annoying as the touchscreen could become unresponsive at times. In some cases, buttons do not register anything with the mobile phone. This could happen due to a variety of reasons and it is often very difficult for even techies to identify the exact reason behind it. Most technicians…
