module 3 practice test
What is the correct sequence of processing instructions in a machine cycle?
. Fetch decode execute store
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
Which of these is an optical medium of storage?
HDD
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 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
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
What is the first step to performing hardware maintenance?
Turn off the computer and remove its power source.
Which of the following is a necessary step in maintaining computer hardware?
Using a UPS or a surge processor
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 the following refers to a condition in which the CPU performs well but the bus speed is slow?
bottlenecking
What determines the speed at which data travels?
bus width
All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
false
Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.
false
Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components?
gamepad
Which of these hardware components can you use to store videos?
hard drive
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
Which is the most suitable device to use in a classroom or a conference room to deliver presentations?
projector
Which of these is not an input device?
scanner
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
Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.
true
What device do e-learning applications usually use to help users with visual impairment read digital content?
voice synthesizer
