It is important to know the difference between secondary storage and a computer's main memory. The primary (computer's) memory or commonly known as random access memory (RAM) is the volatile…
An output device is an important peripheral to facilitate the communication between user and the computer system because unless we obtain resulting information from the computer we are unable to…
An input device is an important peripheral to facilitate the communication between user and the computer system because unless we have a way to provide information to the computer. we…
The CCIE Certification is the highest level of achievement for network professionals, certifying an individual as an expert or master. Cisco Systems has since become an unrivaled worldwide leader in…
Hello Everyone! You can easily increase your productivity by using computer keyboard shortcuts which actually increase your focus in your work too. For example, to copy any text, you can…
Inheritance is one of the key concept in the Object Oriented Programming language like C++, that enables you to organize classes in a hierarchical form. Just like a child inherits…
C is a general purpose, high-level programming language. Brian Kernighan and Dennis Ritchie created it at AT&T Bell laboratories in 1972 for writing the UNIX operating system. Although developed between…
Polymorphism is a very powerful concept that allows the design of amazingly flexible applications. Polymorphism can be defined as one interface multiple methods which means that one interface can be…
Like function overloading, C++ also support a powerful concept called operator overloading. C++ contains a rich set of operators such as +,-,*,>>,<,++ etc which work on built-in types such as…
If you ever see a message like this upon opening a new shell - "zsh: corrupt history file /root/.zsh_history". You can easily fix your history file by extracting only the…
General-purpose computers come in many sizes and capabilities. Traditionally, computers were classified by their size, processing speed, and cost. Based on these factors, computers were classified as microcomputers, minicomputers, mainframes…
Most people ask themselves whether they can be tracked over the Internet by having their MAC Address or IP address detected by others. It's true that IP addresses are no…
MAC address filtering allows only a set list of hardware devices connect. Every device will have a unique MAC address. However, using a sniffer the MAC address of a valid…
Wi-Fi Adapters are devices that allow computers to connect to the Internet and to other computers without using wires. A USB WiFi adapter overrides the computer's built-in wireless functionality, giving…
Checkpoint is a cyber security architecture which offers the perfect combination of proven security, easy deployment, and effective management by consolidating key security applications (firewall, VPN, intrusion prevention, and antivirus…