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CRT screens used in the past have completely been replaced by LCD screens on desktop computers as well as laptop computers.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…
There are two types of backlighting technologies available used by LCDs. Fluorescent is an old technology that uses a tube (fluorescent tube) connected to circuitry (voltage inverter board) which brings LCD screens to life. On the other hand, LED backlighting is a new technology that uses a matrix of LED for backlighting. Now let’s see…
When an operating system runs an application on your computer the data and machine code currently in use is loaded on a volatile memory chip/chips called RAM. RAM is also recognized popularly as a “Temporary Storage” or “Primary Memory” widely. The name “Random Access” refers to the fact that in such kind of a memory…
DHCP (Dynamic Host Configuration Protocol) As we know that every device on a network must have its unique identifier which is known as IP Address (in the computer world) in order to communicate with other devices on the network. Needless to say, two computers on the same network with the same IP address will cause…