Module 3 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
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