Computer Hardware Learning Aim A

What output device is used to produce motion?

• Sensor

• Actuator

• Digitizer

• Monitor

By what unit do we measure the resolution of a digitizer?

• Pixels Per Inch

• Dots Per Inch

• Lines Per Inch

• Points Per Inch

Which of the following factors are used to judge the performance of a scanner?

Choose two options.

• Resolution

• Sensitivity

• Bit Rate

• Colour Depth

RAID stands for Redundant Array of _______Disks. These will appear as a single logical disk in the operating system

____________ Attached Storage is a storage device that allows file sharing between different users and devices.

Which of the following are benefits of solid state drives over hard disk drives?

Choose two options

• Larger storage capacities.

• • More durable to knocks and bumps.

• Works for a finite number of writes.

• Faster read/write speeds.

One technique RAID uses is dividing data into multiple blocks and sharing these blocks across multiple disks. What is this known as?

• Data Mirroring

• Data Lining

• Data Striping

• Data Sharing

Duplicates data across multiple disks sothat if one disk is corrupted there is still a copy of the data on another disk.

• Data Mirroring

• Data Lining

• Data Striping

• Data Sharing

RAID is used to provide data redundancy to protect our data from harm. What is other reason we use RAID?

• Increases the capacity of storage devices.

• Makes the storage devices more durable to knocks.

• There is no other reason we use RAID.

• Improves read/write performance of storage devices.

Which of the following are NOT a user experience factor?

Choose two options.

• Availability

• Compatibility

• Performance

• Productivity

• Accessibility