Quiz Module 3

Which of these is an solid state storage medium?

B. Flash drives

In which format is data finally stored in computers?

C. Binary digits

What device do e-learning applications usually use to help users with visual impairment read digital content?

D. Voice synthesizer

A device driver is a program that controls a device attached to the computer.

True

Which of the following factors can affect processor performance of a CPU?

a. Clock speed b Bus width c. Hard drive space D. Both A and B

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

A. Bottlenecking

What determines the speed at which data travels?

A. Bus width

Where on a computer is the operating system generally stored?

B. 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?

B. Transfer contents to an external storage device.

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this?

B. Use his webcam and speakers so that he and his mother can both see and hear each other.

While naming a file on the computer, if we 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?

C. 'A' is converted to its ASCII binary code and stored in the memory unit. Then it is converted back to 'A' for display.

Which of the following should you take into consideration when purchasing a computer?

D. All of the above

What are the two important components of CPU that help in processing the input into output?

D. Control Unit and Arithmetic Logic Unit

A joystick is a pen-type input device used to draw and tap on icons.

False

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

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

Today, most processors are multi-core. Sometimes referred to as multiple CPUs on a chip, this microprocessor design gives the processor the capabillity of carrying out multiple instructions at the same time.

True

We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.

True

What characteristics directly impact the speed of a computer?

a. RAM capacity b. Processor c. Form factor D. Both A and B

The text entered into a Word document is placed in _____ while the document is open.

B. RAM

The ________ handles executing instructions.

A. CPU

Jennifer recently bought a new computer to type a new manuscript she's been working on. She also stored a lot of movies on it to watch during her free time. Though the performance was good at the beginning, it deteriorated quickly over a small period of time. Which of these is the most likely cause?

A. Declining free space on the hard drive

Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?

A. Desktop computers

What is the correct sequence of processing instructions in a machine cycle?

A. Fetch -> decode -> execute -> store

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?

A. He should use a scanner, which would convert an image into an electronic file.

What performance specification does 2 GHz refer to?

A. Speed at which the processor executes instructions

What is the first step to performing hardware maintenance?

A. Turn off the computer and remove its power source.

The term _______ describes the physical components of the computer. ("The things you can touch.")

A. hardware

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?

C. Cloud storage

Which of these hardware components can you use to store videos?

C. Hard drive

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?

C. 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?

C. He should make sure to bring a tablet.

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?

C. He should use an external hard drive to store the data because the amount of data he needs to store is quite large.

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. How might she speed up her computer?

C. Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?

C. 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?

C. Plug-and-play devices

Which of these is not an input device?

C. Printer

Which of the following is a necessary step in protecting computer hardware from electrical spikes, surges, and brownouts?

C. Using a UPS or a surge processor

CDs and DVDs are categorized as what type of storage?

D. Optical Media

Which is the most suitable device to use in a classroom or a conference room to deliver presentations?

D. Projector

Which of the following is classified as an output device?

D. Speakers