Memory and Storage
You can store data on your hard disk, while data which is being processed is stored in RAM (Random Access Memory) Data which is stored on a hard disk can be permanent, while data in RAM is only temporary. Normally when people talk about memory in relation to a PC, they are talking about RAM.
RAM
Random Access Memory (RAM) is the main 'working' memory used by the computer. When the operating
system loads from disk when you first switch on the computer, it is copied into RAM. The...
Thursday, July 25, 2019
Tuesday, July 23, 2019
Which is better GHz or MHz?
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MHz and GHz
MHz is short form Mega Hertz and GHz is short form of Giga Hertz. Hertz is usually the unit of frequency measurement. It indicates the speed of the computer’s CPU or of any other component whose performance is given in terms of frequency. Generally, higher Hertz indicates faster performance
1 MHz = 1,000,000 Hertz (1 million Hertz)
1GHz = 1,000,000,000 Hertz (1 billion Hertz)
CPU speeds
The speed (operating frequency) of the CPU is measured in megahertz (MHz) or gigahertz (GHz). The higher the value the...
Monday, July 22, 2019
How to control computer performance
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Factors those affect computer performance:
There are a wide range of factors that can affect the performance of your computer. These include CPU speed, RAM size, type of graphics card processor and memory plus the number of applications running. It is important to realist that it is not just the speed of the CPU that affect the overall performance of your computer. There is no point in having a very fast CPU if the other parts...
Friday, July 19, 2019
What are the important parts of the computer?
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Parts of a computer: You should understand some of the basic elements that make up a computer including:
‐ Central processing unit (CPU)
‐ Types of memory
‐ The hard disk
‐ Input and output devices
CPU:
The CPU (Central Processing Unit) is normally an Intel (or equivalent) and it is one of the most important components within your computer. It determines how fast your computer will run and the CPU speed is measured...
Wednesday, July 17, 2019
Common handheld portable digital devices | Personal Digital Assistant (PDA)
Posted by Bit Version in: Mobile pc-soft 0 Comments
Personal Digital Assistant (PDA) These devices use a special pen, rather than a keyboard and can be used for storing and retrieving information. Like most computer devices, many can connect to the Internet. They are extremely compact. PDAs have many built‐in features such as a calculator, a clock and a calendar. Many allow you to send and receive emails and even browse the web.PDAs can also be used for accessing the Internet, sending...
Laptop/Notebook & Tablet PC
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Laptop computers, as the name implies, are small portable computers which can run on batteries as well as mains power. They use special screens, rather than the traditional bulky monitors, which allows for longer battery life as well as portability. A newer term, “Notebooks”, simply indicates a VERY small laptop. These are especially popular with salespersons on the move or people giving presentations. While they tend to still be more...
Monday, July 15, 2019
What is Apple computers ?
Posted by Bit Version in: pc-soft ph-soft 0 Comments
The Apple Mac is a PC. It uses a different operating system, and may require special versions of application programs (such as word processors or spreadsheets). Even the hardware add‐ons have to be customized to some extent to be able to be connected to a Mac In the early days the thing which really distinguished the Mac over the IBM PC was the GUI (Graphical User Interface), or in plain English the way you could use the mouse to drive...
