Category: Computer

Personal Computer History

In order to properly understand and appreciate the progress we have made and to anticipate the continued evolution of the industry, let’s look at the progress of the computer. What precisely is a computer? Machines that helped people do computation have been around…
Clock Speeds

The clock is like the rhythm to a song: each word is sung to each beat; the faster the beat, the faster we can complete the song. Generally, the processor obeys (called “executes”) each command in a certain number of clock beats…
How to determine the speed of the Internet

By connecting to the Internet provayteru sometimes the question arises whether the maximum speed internet connection for a particular tariff plan. To determine the rate, there are special Internet services, which we’ll talk. Consider the following tow Internet service to…
Censorship on the Internet and its necessity

Internet – a free virtual world where everything is allowed, as opposed to reality. Internet – a great way to express yourself and to remain incognito. All this is good, but there must be some limitations, so to speak, of…
Web Browser

A allows you to sit at one computer and display information that resides in a web server somewhere on the Internet. The information can be in many forms, including simple text, graphics images, animation, video streams, and audio clips. Even…
Save to Disk

Saving material onto a disk stores that material so that it can be accessed again. Any work you do on the computer should be saved, including papers and other assignments. Although you may be working in different applications, the saving…
Hybrid Computers

Hybrid computers are computers with combined features of both digital and analog type. Desirable features of analog and digital machines can be combined to create a Hybrid Computer. This type of computer operates by counting as well as by measuring.…
Random Access Memory (RAM)

The primary storage is referred to as random access memory (RAM) because it is possible to randomly select and use any location of the memory directly for storing and retrieving data. It takes same time to reach any address of…
Monitor Operation

Monitor Operation-How do they work? The computer reserves a section of memory (video memory) to store the color and intensity of each dot. This information gets sent to the monitor 60-70 times per second (called the “refresh rate”). The monitor…

Photoshop Quick Keys Tool Bar and Menu Key Shortcuts: Put cursor over tool and you will see the Key Shortcut Move Tool – V Marquee Tool – M Lasso Tool – L Crop Tool – C Text Tool –T Hand…