ITE 115 unit 3 computer hardware
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
In which format is data finally stored in computers?
Binary digits
Which of these is an optical medium of storage?
Blu-ray discs
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
Which of the following factors can affect processor performance of a CPU?
Clock speed Bus width
What are the two important components of CPU that help in processing the input into output?
Control Unit and Arithmetic Logic Unit
A joystick is a pen-type input device used to draw and tap on icons.
False
Which of these hardware components can you use to store videos?
Hard drive
Which of the following types of storage is/are used to transfer data from one computer to another?
Optical Media External Hard Drive
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
Plotter
What is the correct way to update a device driver?
Run the update within the OS or the latest software from the device manufacturer's website.
Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?
Desktop computers
What performance specification does 2 GHz refer to?
Speed at which the processor executes instructions
Which of the following should you take into consideration when purchasing a computer?
Storage capacity Form factor Platform or Operating System Software and applications you intend to use
Which of the following is/are classified as input device(s)?
Touchpad Webcam Mouse
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
We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.
True
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 perform the task?
He should use a scanner, which would convert an image into an electronic file.
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
In which of the following storage device(s) does memory need to be constantly recharged to retain the contents?
Dynamic RAM (DRAM)
All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
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
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.
A CPU converts the data entered through the keyboard into output displayed on the monitor.
True
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.
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.
Manny copied a table from a MS Excel file, closed the file, and then pasted the table in an MS Word document. Where did the copied table get stored after he copied it?
In the RAM
The hard disk drive on Joyce's laptop can store up to 500 GB of data. She usually only saves official documents and a few songs that she listens to while she works. However, when she uses more than three applications at the same time, her laptop responds more slowly. What should she do to optimize her storage?
Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance
Daniel wants to buy a desktop to use for playing games after work. He loves racing games and wants to make sure his laptop has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?
RAM capacity - it provides temporary storage that applications use to run smoothly Processor core - some applications, especially games, have greater processor requirements
Alice stored a memory card in her wallet that had all the photographs of a recent trip she took. When she inserted the card into her laptop, her computer wasn't able to read it. Alice tried to access its contents on her other devices but could not. Based on this, which of the following is/are likely to be true?
The memory card is damaged and its contents are permanently lost. The memory card is damaged and storing it in a protective case could have avoided the damage.
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
What device do e-learning applications usually use to help users with visual impairment read digital content?
Voice synthesizer
When should a user consider restoring the operating system?
When the programs or apps do not start properly When the system slows down
