FUNDAMENTALS OF COMPUTER

OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
the operating speed of a computer or its microprocessor, defined as the rate at which it performs internal operations and expressed in cycles per second (megahertz)."the processor is available in 25MHz, 33MHz, and 40MHz clock speeds”
A
Clock Speed
B
Performance Speed
C
job scheduler
D
resources
E
card reader
Explanation: 

Detailed explanation-1: -The clock speed measures the number of cycles your CPU executes per second, measured in GHz (gigahertz). A “cycle” is technically a pulse synchronized by an internal oscillator, but for our purposes, they’re a basic unit that helps understand a CPU’s speed.

Detailed explanation-2: -Gigahertz-Definition. Gigahertz One GHz represents 1 billion cycles per second or one thousand megahertz. Also called a gigacycle. The speed of microprocessors, called the clock speed, is often measured in gigahertz.

Detailed explanation-3: -CPU speed is determined by how many calculations the processor can perform per cycle. Clock speed is expressed in gigahertz-billions of cycles per second.

Detailed explanation-4: -In a computer, clock speed refers to the number of pulses per second generated by an oscillator that sets the tempo for the processor. Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second).

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