ISDS- Practice Module 3 test
Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?
(a) desktop computers
What is the first step to performing hardware maintenance? -turn off the computer and remove its power source -install anti-virus software -disconnect all the input and output devices -disconnect the UPS and surge suppressor
Turn off the computer and remove its power source.
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 additional RAM installed on all the computers -he should have the hard disks on all the computers defragmented periodically -he should have periodic anti-virus scanning and software upgraded on all computers -he should have the hardware components like the monitor, keyboard, and cpu vents periodically cleaned
He should have periodic anti-virus scanning and software upgraded on all computers.
Ryan wants to install a new operating system on his laptop, but first he needs to safely store all his data - over 80 GB - so he doesn't lose any of his files. How should Ryan back up all his data?
He should use an external hard drive to store the data because the amount of data he needs to store is quite large.
What performance specification does 2 GHz refer to? -speed at which the processor executes instructions -speed at which data travels -time taken to fetch and decode instructions -time taken to store the instructions on RAM
Speed at which the processor executes instructions
Which of these is an optical medium of storage? -bluray discs -solid state drive -cloud storage -hdd
bluray discs
Which of the following refers to a condition in which the CPU performs well but the bus speed is slow? -bottlenecking -clock speed -reboot -instructions per cycle (IPC)
bottlenecking
What determines the speed at which data travels? -bus width -clock speed -instructions per cycle (IPC) -RAM capacity
bus width
T/F: Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.
false
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 -improperly connected keyboard -dysfunctional ups -power fluctuation
faulty power or video cable
Which of these hardware components can you use to store videos? -external RAM -floppy disk -hard drive -motherboard
hard drive
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 be using an all in on computer -he should always find a desktop computer -he should make sure to bring a tablet -he should be sure to carry his laptop
he should make sure to bring a tablet
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? -inkjet printer -laser printer -plotter -mobile printer
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? -printers -monitors -plug and play devices -video cards
plug and play devices
Which of these is not an input device? -stylus -scanner -printer -webcam
printer
Which is the most suitable device to use in a classroom or a conference room to deliver presentations? -printer -voice synthesizer -headset -projector
projector
Which of the following is a necessary step in maintaining computer hardware? -connecting peripheral devices to computer -rebooting the computer often -using a ups or a surge processor -cleaning air vents
using a UPS or a surge processor
What device do e-learning applications usually use to help users with visual impairment read digital content? -projector -plotter -motion sensing controller -voice synthesizer
voice synthesizer
T/F: A joystick is a pen-type input device usedto draw and tap on icons.
false
T/F: All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
false
What is the correct sequence of processing instructions in a machine cycle? -fetch decode execute decode store -fetch store decode execute -fetch execute decode store -decode fetch store execute
fetch decode execute store
Where on a computer is the operating system generally stored? -ram -internal hard drive -flash drive -virtual memory
internal hard drive
To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step? -disconnect all output devices -transfer contents to an external storage device -disconnect the ups -remove the internal hard drive on which the operating system is stored
transfer contents to an external storage device
T/F: A CPU converts the data entered through the keyboard into output displayed on the monitor.
true
Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse? -a laptop -an all in one computer -a desktop computer -a tablet
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 -a dusty computer vent -insufficient space on the hard disk drive -an issue with internet connectivity
a faulty port
T/F: It is advised to fully charge the battery of a laptop before using it for the first time.
true
T/F: Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.
true
T/F:A device driver is a program that controls a device attached to the computer.
true
T/F:We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.
true