MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A 1 gigahertz (GHz) computer completes a billion clock cycles per second. Here 1 GHz is said to be the CPU’s “clock rate” or “clock speed.” The clock “ticks” with a pulse of action 1 billion times per second. Pretty neat right?

Detailed explanation-2: -The unit of measurement called a hertz (Hz), which is technically one cycle per second, is used to measure clock speed. In the case of computer clock speed, one hertz equals one tick per second. The clock speed of computers is usually measured in megahertz (MHz) or gigahertz (GHz).

Detailed explanation-3: -One gigahertz represents 1 billion cycles per second. Clock speed, which is also measured in hertz, refers to synchronous circuit clock frequency, for example, a CPU. One clock cycle lasts only 1 nanosecond and toggles between 0 and 1.

Detailed explanation-4: -Your CPU processes many instructions from different programs every second. Some of these instructions involve simple arithmetic, while others are more complicated. The clock speed measures the number of cycles your CPU executes per second, measured in GHz (gigahertz).

Detailed explanation-5: -A CPU’s clock speed represents how many cycles per second it can execute. Clock speed is also referred to as clock rate, PC frequency and CPU frequency. This is measured in gigahertz, which refers to billions of pulses per second and is abbreviated as GHz.