Computer Fundamentals Module 3: Computer Hardware - Quiz

If you press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.

Which of these is an optical medium of storage?

Blu-ray disc

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

Bottlenecking

Which of the following factors can affect processor performance of a CPU?

Clock speed

Jason takes many photographs on his smartphone while on vacation in Italy. If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?

Cloud storage

Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.

False

What is the correct sequence of processing instructions in a machine cycle?

Fetch > decode > execute > store

Which of these hardware components can you use to store videos?

Hard drive

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware?

He should have periodic anti-virus scanning and software upgraded on all computers.

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer?

Plug-and-play devices

Daniel wants to buy a computer to use for playing games after work. He loves racing games and wants to make sure his device has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?

Processor core - some applications, especially games, have greater processor requirements

What performance specification does 2 GHz refer to?

Speed at which the processor executes instructions

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?

Transfer contents to an external storage device.

A CPU converts the data entered through the keyboard into output displayed on the monitor.

True

A device driver is a program that controls a device attached to the computer.

True

It is advised to fully charge the battery of a laptop before using it for the first time.

True

The Unicode coding scheme supports a variety of characters including those for Chinese, Japanese, and Arabic languages.

True

What is the first step to performing hardware maintenance?

Turn off the computer and remove its power source.

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this?

Use his webcam and speakers so that he and his mother can both see and hear each other.

What device do e-learning applications usually use to help users with visual impairment read digital content?

Voice synthesizer

When should a user consider restoring the operating system?

When programs or apps do not start properly

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate?

internal hardware problem

What type of hard drive has no moving parts, making it fast and durable?

solid state drive

When a CPU executes instructions as it converts input into output, it does so with _____.

the control unit and the arithmetic logic unit

When Alice turned on her laptop this morning, the screen displayed only colorful horizontal lines. Which of the following is most likely to have a problem?

video card