module 2; computer hardware
When should a user consider restoring the operating system?
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*
When considering a computer to purchase, which of the following factors involves the operating system of the computer?
add on devices form factor *platform* hardware specifics
Which of the following is classified as input device?
earbuds flash drive *webcam* speakers
Which of the following factors can affect processor performance of a CPU?
hard drive space # connected devices *clock speed* benchmark
Which is the most suitable device to use in a classroom or a conference room to deliver presentations?
headset printer *projector* 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?
high end laptop *tablet* desktop computer all in one computer
*****What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
laser printer mobile printer ink jet printer *plotter*
Which of these hardware components can you use to store videos?
programable ROM motherboard *hard drive* External RAM
***Which of the following devices is the easiest to upgrade, such as by adding RAM?
smartphones laptops tablets *desktop computers*
Which of these is not an input device?
stylus scanner webcam *printer*
All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
true *false*
Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.
true *false*
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** Compact disk RAM ROM
When a CPU executes instructions as it converts input into output, it does so with _____.
**The control unit and the arithmetic logic unit** RAM and ROM the hard drive and RAM the cache and the motherboard
*** What is the first step to performing hardware maintenance
**Turn off the computer and remove its power source.** Disconnect the UPS and surge suppressor. Disconnect all the input and output devices Install anti-virus software.
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* Use his projector and webcam so that both he and his mother can clearly 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 a webcam and scanner to ensure that the quality of the call is good.
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 RAM* in the core in ROM in the ALU
Daniel wants to buy a computer to use for playing games after work. He loves racing games and wants to make sure his device has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?
Size - larger desktops provide more physical space for memory storage, increasing efficiency ***Processor core - some applications, especially games, have greater processor requirements*** Form factor - some games do not run on laptops External hard disk capacity - provides additional temporary storage needed to run heavy applications
A joystick is a pen-type input device used to draw and tap icons.
true *false*
What device do e-learning applications usually use to help users with visual impairment read digital content?
motion sensor plotter projector voice synthesizer
