Question

What is the measurement unit used to identify 'Clock Speed' on today's computers?

1) MHz
2) megabytes
3) gigabytes
4) GHz

Answer 1

Clock Speed on today's computers is measured in GHz (gigahertz), representing billions of cycles per second, where one GHz equals 1,000 MHz (megahertz).

Step-by-step explanation:

The measurement unit used to identify 'Clock Speed' on today's computers is GHz, which stands for gigahertz. The clock speed of a computer's CPU is usually measured in MHz (megahertz) or GHz. One GHz is equivalent to 1,000 megahertz (MHz), which is 10⁹ Hz. Therefore, the correct answer from the options given is 4) GHz.

Hertz (Hz) is the SI unit for frequency, representing cycles per second. When we talk about MHz, it denotes millions of cycles per second, while GHz denotes billions of cycles per second. These are the units to measure how many operations a computer's CPU can perform in a second, which is directly related to its performance or speed.