Browsing articles in "Tech Articles"
Jun
13
2014

How to secure your wireless home network

Tip: Best option for securing wireless network is to apply MAC filtering  How to block hackers on wireless home network: Wireless networks are the best option for home network because of its ease of installation and relatively low cost. While a wireless network allows sharing of resources and Internet connectivity easy, it also introduces a number […]

Jun
8
2014

What is computer Worm? Virus vs Worm

Worm vs Virus Computer worm is a harmful program that differs from viruses by several points. First, the worm is a standalone program that can be found on the hard drive , unlike viruses that lurk like parasites in files or in the executable code in the boot sector of the disk. A worm can arrive directly by the network by taking […]

Jun
8
2014

What is a computer keylogger?

Keyboard keylogger: A keylogger is a type of spyware to spy specialized keystrokes on the computer that hosts it, and can transmitting via the Internet to an address where an attacker can exploit. Any strike entered on the keyboard or screen viewed is recorded with a timestamp. Some keylogger only create keystrokes log only on the computer where they are installed. […]

Jun
8
2014

What is a spyware?

Computer spyware: Spyware is a spy software who, without your knowledge, can recover data on your PC and monitor your internet activity, including what is typed on your keyboard.  Presence of spyware can cause serious technical damage: the “crashes” to repeat your computer with data loss, system slowdowns, or opening security holes on your computer.   How Spyware are […]

Jun
8
2014

What is computer Trojan?

what are Trojans? A computer software that perform malicious operations without the knowledge of the user are called Trojan. A Trojan is a hidden software that executes commands, which usually gives access to the computer on which it is running by opening a backdoor.   Effects of Trojan: Recovery of passwords or other confidential data on infected computer. Joint […]

Jun
8
2014

What is Social Network?

Social Network Definition: A social network is a group of people united by a social bond. In the late 1990s, social networks have appeared on the Internet, bringing together people through personalized services exchanges, each of which can decide to read messages from one or another user. Read more Social Media Essay Facebook, twitter, instagram  are best […]

Jun
8
2014

What is Computer Network?

Computer network is the collection of all hardware and software used for communication between computers, workstations or computer terminals. Examples of computer networks Examples of computer networks LAN of any office, Banking networks of bank within city or country which includes computer systems, ATMs Internet is another biggest example Types of computer network LAN: Local area network WAN: wide […]

Dec
22
2013

Software Engineering Interview Questions and Answer

Interview Questions for Software Engineer: Here are some very important and most commonly asked interview questions for a software engineer. We can divide these questions into two categories, some question are related to your practical experience and the projects that you have done in past while the other questions are related to theatrical concepts related to […]