Module 2 SAM

How do you display a laptop's screen image through a connected projector?

E. Hold down the FN key and then press a numbered function key.

What is the role of the central processing unit (CPU) in a computer?

E. It processes data and performs calculations.

Which of the following is a drawback of Twisted Nematic (TN) LCD technology?

E. It provides poor viewing angles due to color shifts.

Why is flash memory considered nonvolatile?

E. It retains data even when it is not receiving power.

To copy a selected file to an external drive, right-click the file, point to __________ on the shortcut menu, and then click the drive, such as Drive E:.

E. Send to

What happens when you start a program but the operating system doesn't have enough RAM to run it?

E. The operating system moves some RAM contents to virtual memory.

Which of the following is not an advantage tablets have compared to laptops?

E. Their higher screen resolution makes them more suitable for watching movies.

What can you use to replace printed documents when you need to share information?

A. PDF files

What important limitation does random access memory (RAM) have?

A. RAM is short-term memory and is cleared when you turn off the computer.

Which storage device is the best option for backing up files?

A. external hard drive

For what do computers typically use DRAM?

A. for the CPU or graphics processor to use as working memory

The efficiency of a CPU is measured by ____________.

A. instructions per cycle (IPC)

Which statement is true about laptops and desktop computers?

B. If the power goes out, a laptop's battery serves as a backup power source.

________ is better suited to graphic design, video processing, and other art-related applications, while ________ is good for business use and gaming—and is generally cheaper.

B. Mac OS, Windows

Which of the following is a disadvantage of all-in-one computers?

B. They are more difficult to upgrade than traditional desktop computers.

Which of the following is a recommended way to clean a computer keyboard?

B. Turn it upside down and shake it gently.

How does IBM's Watson computer use artificial intelligence (AI) in healthcare?

C. It helps doctors make decisions about lung cancer treatments.

Data travels in and out of the CPU through embedded wires called the __________.

C. bus

The ____________ reflects how many cycles the processor completes in a second.

C. clock speed

The ___________ is sometimes called the brain of the computer because it processes information and carries out commands.

CPU

Which of the following components most affects a computer's speed?

CPU

Which of the following statements is false?

E. When the OS needs to store more programs in RAM, RAM expands automatically.

When you use cloud computing, what do you need to access your files and applications?

E. a web browser and an Internet connection

What type of data does a keyboard provide to a computer?

E. text and instructions

Why do most people store files in the cloud?

E. to access the files on any device connected to the Internet

The type of memory that loses data when no electricity is available is called _________ memory.

E. volatile

Which of the following is not an option for customizing a pointing device in Windows 10?

Turn off the mouse when not in use

The amount of storage on OneDrive for a basic Microsoft account is ____________.

D. 15GB

Which of the following is not a characteristic of solid state drives (SSDs)?

D. Data on an SSD cannot be corrupted.

Flash memory is a type of ___________.

D. EEPROM

Use devices that comply with _____________ standards to reduce energy consumption.

D. Energy Star

Which of the following statements is false in terms of desktops?

D. If all of the desktop icons are missing, you cannot restore them.

Where is the flash drive listed in a Windows 7 Save As dialog box?

D. In the left pane below Computer.

Which of the following is not an advantage of all-in-one computers?

D. They are significantly less expensive than traditional desktop computers.

What can you use to clear dust from the ventilation fans on a computer?

D. can of compressed air

For what do organizations use tape drives?

D. data backup and archiving

Which of the following is the most common output device?

D. display device

If you want to track the movement of the pointer on the screen, you can ____________.

D. display pointer trails

What does a computer use to read the data on an optical disc?

D. laser beam

Which type of computing device typically includes a 10-inch screen and about 32 GB of storage?

D. tablet

What is one advantage desktop computers have compared to laptops?

Desktops computers have lager monitors than laptops do

________ are more expensive than HDDs and are often used in portable devices.

________ are more expensive than HDDs and are often used in portable devices.