Archive for the ‘Computers’ Category

How big was the ENIAC?

The ENIAC (Electronic Numerical Integrator and Computer) was the first general purpose electronic computer. It was completed in 1945, after the World War II ended.

ENIAC was very big; it was 30 tons weight and took up 63 m2. The entire machine contained about 17000 vacuum tubes, 10000 capacitors, 70000 resistors a 6000 manual switches. To keep ENIAC running, six technicians had to work all the time.

How big was the ENIAC?

The ENIAC was designed by John Mauchly and J. Presper Eckert in the University of Pennsylvania. This computer was designed to calculate artillery firing tables, but it was also used in calculations for the hydrogen bomb and numerical weather prediction. Of course, these are not only applications that ENIAC served for.

Where is ENIAC today? Or, better the parts of ENIAC?

The University of Pennsylvania has four panels of the original forty and also one of the three function tables. Five panels are in the National Museum of American History in Washington D.C. The University of Michigan has four panels. The U.S. Army Ordnance Museum, where ENIAC was used has one function table…

What is Antivirus Software?

Antivirus software is an application designed to detect and remove viruses, worms, malware applications and trojan horses from various computer systems. Antivirus software in certain cases can prevent adware and spyware programs.

Antivirus software detect viruses by checking for their signature in files or by using advanced heuristics to detect malicious code. Beside detection, antivirus software provide real time protection of infection.

It is good to know that even if you have antivirus software it is possible to get infected with new type of viruses for which one signatures don’t exist yet, also some antiviruses can easily degrade computer performance.

Before getting an antivirus best thing is to consult various security forums and sites for professional opinions.

Antivirus software can be free or paid software where paid ones are offering generally better protection. Licences for these programs are usually sold on month, six months, or a yearly subscription. Sometimes you can get it for free by being active on security forums or taking their regular contests such as:

http://scforum.info/index.php/topic,4136.0.html

Some of the world most known antivirus softwares are: NOD32, Bit Defender, Panda Antivirus, McAffee, Avira, Trend Micro, Kaspersky, Norton Antivirus , Avast, F-Secure and many other…

What is 192.168.1.254?

192.168.1.254 is an IP address from range reserved for private addresses. IP 192.168.1.254 is used as a default IP address for many router brand models as and such is very popular IP.

According to the site 192.168.1.254 this IP address is mostly used by Alcatel ADSL modems, Thompson ADSL routers, 3Com routers, ADSL Billion routers, SRW2023 Linksys switches, some TP-Link routers, Westell ADSL modems and Cayman/Motorola Netopia internet gateways.

Confederate flag desktop wallpaper

Many people around the net search for good confederate flag desktop wallpaper. Here we found for you one in 1680×1050 pixel size. Those who don’t know this is flag of Confederate States of America which was one side of the American civil war (1861-1865), the other was Union.

Read more at:

http://en.wikipedia.org/wiki/Confederate_States_of_America

And here are the wallpapers:
Confederate flag desktop wallpaper

Wallpaper size: 1680×1050
Author link: http://mynightclub.deviantart.com/

What Is The Name Of The First Spreadsheet Program?

Spreadsheets are used mostly for financial calculation and accounting. In the past there was no possibility to do such operations electronically so people had to do them manually. Now it’s much easier to calculate and organize data since we have Spreadsheet computer programs to do that for us.

The name of the first spreadsheet program is VisiCalc. “VisiCalc” is short version of “visible calculator”. It was introduced to public in 1979 and became an instant success. Its price was 100 US dollars and about 1 000 000 copies were sold during its lifetime.

Inventors of VisiCalc are Daniel Brickling and Bob Frankston.

For its characteristics belongs fourth generation software program.

VisiCalc success lasted till 1983 when Lotus 1-2-3 was released.