Comp 3
In which of the following types of computers in the system unit separate housing from the monitor?
A desktop computer
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 could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?
A faulty port
Which of these is an optical medium of storage?
Blu-ray discs
What determines the speed at which data travels?
Bus width
Which of the following factors can affect processor performance of a CPU?
Clock speed
Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations
False
Uninterruptible power supplies and surge suppressors will help protect your computer from power outages.
False; from power fluctuations
Plotters are small, lightweight printers that easily can be connected to mobile devices.
False; mobile printers
What is the recommended solution if a computer performs slowly?
Install additional RAM.
Where on a computer is the operating system generally stored?
Internal hard drive
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
Plotter
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
Which of these is not an input device?
Printer
Which is the most suitable device to use in a classroom or a conference room to deliver presentations?
Projector
All of the following are pointing devices except
Touchpointer
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.
In an 8-bit coding scheme, 8 bits can represent one character.
True
In general, a high-powered processor is not necessary for a computer that will be used primarily to check email and browse the web.
True
Peripheral devices, like a USB flash drive, are generally connected to your computer through ports
True
The Unicode coding scheme supports a variety of characters including those for Chinese, Japanese, and Arabic languages.
True
The speed at which data travels on a bus is referred to as the world size
True
Volatile memory loses its contents when power is removed.
True
Which of the following is classified as input device?
Webcam
What is the binary system?
a number system with two digits, 0 and 1
Which of the following tells your computer how to connect to devices you might connect?
device driver
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
What type of hard drive has no moving parts, making it fast and durable?
solid state drive
Under which of the following circumstances might you be most likely to contact a professional to repair your computer or mobile device?
the screen is broken
If you are experiencing display problems on your computer which of the following troubleshooting techniques might you attempt first?
Check to see that all cables are properly connected.
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
Which of the following storage devices requires an Internet connection?
Cloud storage
Which of the following devices is the easiest to upgrade, such as by adding RAM?
Desktop computers
All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
False
Flash memory is a type of volatile memory.
False; nonvolatile memory
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.
Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?
He should make sure to bring a tablet
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
What should you do if a headset plugged into your computer is not working properly?
Update the device driver.
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.
Which of the following is a necessary step in maintaining computer hardware?
Using a UPS or a surge processor