Introduction to Information Technology - Old Questions
4. What do you mean by the speed of a computer?
Answer
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The speed of a computer refers to how fast a computer can process information, also referred to as performance. The most important components to consider with regard to a computer’s speed and computing power are the processor, memory and video card. Other factors and components can impact a computers performance but these are the main foundation for performance.
The CPU, central processing unit is the brains of the computer and the speed is referred to as clock speed. The RAM is random access memory that is used while the computer is running, speed and size is important. The hard drive’s speed is more important than is it’s size. The video card’s chip type, speed and onboard video ram is also very important to the overall speed and performance of the computer.
A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. Computers can process millions (1,000,000) of instructions per second. The time taken by computers for their operations is microseconds and nanoseconds.