Free CompTIA Tech+ FC0-U71 Practice Question

What unit of measurement is used to describe the clock speed of a computer's central processing unit (CPU)?

KB
GHz
RPM
Gbps

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Answer Description

The correct answer is GHz, which stands for gigahertz. It is the unit of frequency equivalent to one billion cycles per second and is commonly used to express the clock speed of CPUs. It indicates how many cycles a CPU can perform in a second, which relates to its overall performance. KB is a unit of storage capacity, not speed. Gbps measures data transfer rates for networks, not CPU speed. RPM is used for rotational speeds, such as in motors and hard disk drives, not for CPU clock speeds.

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CompTIA Tech+ FC0-U71 /

IT Concepts and Terminology

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IT Concepts and Terminology

Infrastructure

Applications and Software

Software Development Concepts

Data and Database Fundamentals

Security

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