ITE Module 3
Which of the following is a necessary step in maintaining computer hardware? -Connecting peripheral devices to a computer -Rebooting the computer often -Using a UPS or a surge processor -Cleaning air vents
Using a UPS or a surge processor
When considering a computer to purchase, which of the following factors involves the operating system of the computer? -form factor -platform -hardware specifications -add-on devices
platform
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
Which of the following factors can affect the processor performance of a CPU? -Clock speed -Benchmark -Hard drive space -Number of peripheral devices connected
Clock speed
Which of the following devices is the easiest to upgrade, such as by adding RAM? -Desktop computers -Tablets -Smartphones -Laptops
Desktop computers
Which of the following types of RAM needs to be constantly recharged to retain the contents? -Dynamic RAM (DRAM) -Static RAM (SRAM) -Magnetoresistive RAM (MRAM) -Flash Memory
Dynamic RAM (DRAM)
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? -Ink-jet 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
What performance specification does 2 GHz refer to? -The speed at which the processor executes instructions -The 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
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.
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.
What is the most common type of storage device for transferring files from one computer to another? -tape drive -internal hard drive -memory card -USB flash drive
USB flash drive
What should you do if a headset plugged into your computer is not working properly? -Unplug the headset. -Update the device driver. -Replace the computer's power cord. -Upgrade RAM.
Update the device driver.
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 ROM -in RAM -in the ALU -in the core
in RAM
Which type of memory is permanently installed on your computer and attached to the motherboard? -read-only memory (ROM) -random access memory (RAM) -processor cache -virtual memory
read-only memory (ROM)
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? -The CPU stores the keystroke as the letter 'A' and displays it on the screen. -The keyboard transfers the letter 'A' directly to the monitor, without passing through the CPU. -'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display. -'A' is converted to special characters, which the screen translates back to 'A' for display.
'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.
Where on a computer is the operating system generally stored? -RAM -Internal hard drive -Flash drive -Virtual memory
Internal hard drive
Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this? -Use a webcam and scanner to ensure that the quality of the call is good. -Use his webcam and speakers so that he and his mother can both see and hear each other. -Use his keyboard, monitor, and speakers so that both he and his mother can see, hear, and even text each other. -Use his projector and webcam so that both he and his mother can clearly see and hear each other.
Use his webcam and speakers so that he and his mother can both see and hear each other.
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
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? -all-in-one computer -desktop computer -tablet -high-end laptop
tablet
When a CPU executes instructions as it converts the input into output, it does so with _____. -the control unit and the arithmetic logic unit -the hard drive and RAM -the cache and the motherboard -RAM and ROM
the control unit and the arithmetic logic unit
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? -hard drive -video card -external storage devices -built-in camera
-built-in camera
Which of these is an optical medium of storage? -Blu-ray disc -Solid-state drive -Cloud storage -Hard disk drive
Blu-ray disc
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 type of hard drive has no moving parts, making it fast and durable? -magnetic hard drive -solid state drive -DVD -tape drive
solid state drive
What determines the speed at which data travels? -Bus width -Clock speed -Instructions per cycle (IPC) -RAM capacity
Bus width
Surya's computer monitors 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
What is the correct sequence of processing instructions in a machine cycle? -Fetch >decode > execute >store -Fetch > store > decode > execute -Fetch >execute > decode >store -Decode >fetch > store > execute
Fetch >decode > execute >store
Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate? -operating system error -out-of-date device driver -internal hardware problem -low battery
internal hardware problem
Which of these hardware components can you use to store videos? -External RAM -Programmable ROM -Hard drive -Motherboard
Hard drive
Which type of 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
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? -RAM -ROM -Cloud storage -Compact disk
Cloud storage
Which of the following is a game controller that is held with both hands and used to control the movement of on-screen objects by pressing buttons and moving hardware components? -Joystick -Gamepad -Digital Pen -Stylus
Gamepad
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 an 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.
What is the recommended solution if a computer performs slowly? -Decrease the brightness of the display. -Install anti-virus software. -Install additional RAM. -Verify if the AC adapter is connected properly.
Install additional RAM.
Which is the most suitable device to use in a classroom or a conference room to deliver presentations? -Printer -Voice synthesizer -Headset -projector
Projector
When should a user consider restoring the operating system? -When programs or apps do not start properly -When the monitor does not display anything -When you cannot print documents -When you can't connect to the Internet
When programs or apps do not start properly
What is the binary system? -a number system with two digits, 0 and 1 -an 8-bit coding scheme -a number system with 10 digits, 0-9 -a 16-bit coding scheme
a number system with two digits, 0 and 1
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 -plotter -digital pen -projector
scanner
