chapter 2 Storage Devices and Power Supplies

What is the physical component where data is stored in a HDD?

• Read/write head

• Platter

• Sector

• Cluster

Which of the following is not one of the three major components of a hard disk drive system?

• Drive interface

• Controller

• Hard disk

• Host adapter

What is the largest NTFS volume size supported, assuming a 64KB cluster size as maximum?

• 256GB

• 2TB

• 128TB

• 256TB

Which technology is based on flash memory and is intended eventually to replace conventional hard disk drives that have moving discs and other mechanisms?

• USB flash drives

• Memory cards

• Solid-state drives

• Optical drives

A client is looking for a desktop drive technology that saves money over SSDs but offers performance increases over HDDs and can be used to house the operating system. Which of the following is the best to recommend?

• Dual-drive technology

• SSHD

• eMMC

• Magnetic-only drive

Which optical disc format supports a data capacity of 25GB?

• Double-sided, double-layer DVD+R

• Single-sided, single-layer Blu-ray disc

• Double-sided, single-layer DVD-R

• Double-sided, single-layer DVD+R

Which of the following best describes the concept of hot-swappable devices?

• Power does not need to be turned off before the device is inserted or removed.

• The device can be removed with power applied after it is properly stopped in the operating system.

• Care must be taken when swapping the device because it can be hot to the touch.

• The device can be swapped while still hot, immediately after powering down the system

Of the following voltage pairings, which one accurately represents the input and output, respectively, of power supplies and AC adapters?

• AC in, AC out

• DC in, DC out

• AC in, DC out

• DC in, AC out

What are the output voltages that have been commonly produced by PC power supplies over the years? (Choose all that apply.)

• +3.3VDC

• +5VDC

• –5VDC

• +12VDC

• –12VDC

Which of the following statements about power supplies is true?

• You must make sure that the voltage selector switch on the back of the power supply is switched to the lower setting if the computer is going to be used in Europe.

• SATA hard drives most often use the same type of power connector that PATA hard drives use.

• Power supplies supply power to ATX-based motherboards with connectors known commonly as P8 and P9.

• Power supplies convert AC input to DC output.