Module 3 Quiz

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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

Modern processors often have _____ levels of cache

3

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 types of RAM needs to be constantly recharged to retain the contents?

Dynamic RAM (DRAM)

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

Fetch decode execute store

Binary code uses alphanumeric characters to represent all values

false

Console systems only allow one gamepad to be used at a time

false

The System Restore command in Windows returns deleted or modified documents

false

Solid state hard drives are a type of _________ memory

flash

You should unplug your computer if you _____

smell burning or see smoke rising from it

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

the control unit and the arithmetic logic unit

Overheating caused by direct sunlight can damage the _____

- LCD screen, - hard drive - processor

Interference is a common problem with _____ devices

- bluetooth - wireless

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?

A desktop computer

What determines the speed at which data travels?

Bus width

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

When using a Windows Internet browser, pressing _____ reloads a page

F5

Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems?

Faulty power or video cable

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 performance specification does 2 GHz refer to?

Speed at which the processor executes instructions

What is the first step to performing hardware maintenance?

Turn off the computer and remove its power source

What is the most common type of storage device for transferring files from one computer to another?

USB flash drive

Which of the following is a necessary step in maintaining computer hardware?

Using a UPS or a surge processor

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?

a faulty port

Manny copied a table from an MS Excel file, closed the file, and then pasted the table in an MS Word document. Where was the table stored after he copied it?

in RAM

What is the recommended solution if a computer performs slowly?

install additional RAM

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

internal hardware problem

Laptops, all-in-one desktops, and smartphones usually have _____

internal microphones

A fitness tracker is an example of a(n) ______ device

mixed

Benchmarking is an evaluation of _____

performance

When considering a computer to purchase, which of the following factors involves the operating system of the computer?

platform

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?

plotter

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to create an electronic copy of the certificate?

scanner

A specific touch motion you use to issue commands is called a gesture

true

A stylus is an input device

true

External hardware can be connected without wires or cables

true

Solid state drives are more durable than hard disk drives.

true

Storage device problems can prevent a computer from starting up properly

true

The connector on a USB flash drive allows transmission of both data and power

true

Where on a computer is the operating system generally stored?

Internal hard drive

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

solid state drive

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

- clock speed - bus width

Which of the following are examples of pointing devices? Select all that apply

- mouse - touchpad

An operating system uses available storage space on a startup drive for _____

- storing programs - storing apps - virtual memory

You type out a few sentences in an MS Word file, and save it on your desktop. How is this data stored in the computer?

As a combination of 1s and 0s

Which of the following devices is the easiest to upgrade, such as by adding RAM?

Desktop 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

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

Software that converts text into speech is called a _____

voice synthesizer

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

voice synthesizer

Which type of memory is permanently installed on your computer and attached to the motherboard?

read-only memory (ROM)

If the image seems stretched, your computer's display may not be set to the default _____

resolution

Which of these is not an input device?

printer


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