IT Essentials 7.0 Chapter 1.5

Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?

• It is used in conjunction with a dedicated GPU.

• It processes massive amounts of data at the fastest speeds.

• It is used for main memory.

• It has a low power consumption and is used for cache memory.

Hard drives in a grocery warehouse keep failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure rate?

• Install an SSD drive in each computer.

• Install a more powerful power supply in each computer.

• Install an antistatic mat under each computer.

• Install each computer in a specialized high airflow case.

From which type of data storage does the CPU load information for processing during normal operation?

• SSD

• RAM

• ROM

• HDD

Which type of device would be used on a laptop to verify the identity of a user?

• a MIDI device

• a biometric identification device

• a touch screen

• a digitizer a digitizer

Which two devices are considered input devices? (Choose two.)

• biometric authentication device

• printer

• digital camera

• projector

• speakers

What is an active cooling solution for a PC?

• Reduce the speed of the CPU.

• Add a heatsink to the CPU.

• Add an additional case fan.

• Use a painted computer case.

Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?

• FireWire

• DVI

• HDMI

• USB

• VGA

Which statement describes a characteristic of SRAM in a PC?

• It is used as main RAM in a PC.

• It has the highest power consumption.

• It is used for cache memory.

• It has a connector with 240 pins

A customer has a computer for a home business, but wants to have another computer as a web server. What would be the best solution for the customer to share the monitor, mouse, and keyboard between the two computers?

• access point

• KVM switch

• multipurpose device

• network switch

• USB hub

Why is it important to ground both computers and network devices?

• to ensure that the power supply is limited to an output of 110V DC

• to facilitate the flow of current from the power supply to the computer case

• to provide a path of least resistance for stray current

• to ensure that both the power supplied and the power used is in sync with the ground voltage