US Computer Fundamentals (CPF) 1 - Computer Specifications

The central processing unit (CPU) is the _____ of the computer.

CPUs with multiple cores can process several

instructions at once.

• False

• True

Answer explanation

CPUs with a single core can process one instruction at a time while CPUs with multiple cores can process several instructions at once.

This is a...

• quad-core processor

• dual-core processor

• single-core processor

A processor’s _____ or clock speed determines how fast it can handle and complete instructions.

Processor or Clock speed is usually measured in...

• kilometer (Km)

• gigabytes (GB)

• gigahertz (GHz)

Answer explanation

A processor with a clock speed of 2.5 GHz can complete up to 2.5 billion (or 2,500,000,000) calculations in one second.

A computer with insufficient memory may exhibit the following symptom:

• system notifications on “low memory” appear

• programs take a short time to start

• programs run quickly

What is the recommended amount of RAM required for video production?

• At least 4GB

• At least 8MB

• At least 32GB

• At least 32KB

Secondary storage is used to keep programs and data indefinitely. It is non-volatile and serves as long-term storage

• True

• False

Which of the following is NOT a benefit of buying a laptop with touch screen?

• Touchscreens are usually glossy and may leave fingerprints upon contact.

• They are also thicker and heavier compared to display screens without touch input.

• Both

System specifications are the technical descriptions of a computer’s components

and capabilities.

• True

• False