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WorksheetsIT Essentials Ch. 9 Review
Total questions: 22
Worksheet time: 2hrs 50mins
Which computer components would be the most important to manage when trying to conserve battery life?
Display
Hard drive
RAM
CPU
Which of the following is not one of the options you can pick for what the power button does?
Do nothing
Sleep
Hibernate
Shutdown
Throttle CPU
What class of Bluetooth is most commonly used for personal area networks?
Class 1 - 100mW power - 100m range
Class 2 - 2.5 mW power - 10m range
Class 3 - 1mW power - 1m range
Class 4 - .05mW power - 10mm range
Which of these connections would NOT be available for sharing your mobile devices services with other devices as a hotspot?
Bluetooth
Wi-Fi
USB
Fiber Optic
Which components would most often be considered customer-replaceable units (CRUs)?
Battery
RAM
CPU
Keyboard
Which of the following components would be considered field-replaceable units (FRUs)?
Display
Keyboard
RAM
Hard Drive
Which of the following is NOT an advantage of solid state drives?
Power Efficiency
Reliability
Compact and lightweight
Performance
Price
Which technology enabled devices to share information by placing them very close together or touching each other?
Wi-Fi
Infared
USB
NFC
Which of the following would most likely be the problem if a portable device cannot connect to Wi-Fi?
Their wireless NIC is turned off.
They have been targeted by the NSA.
They are the victim of a Chechnian botnet.
Aliens are using that frequency in the area.
CPU's in mobile devices are more likely to use this to reduce energy consumption and reduce heat.
Throttling
Overclocking
Multithreading
Cache
What type of battery is used in most mobile devices today?
Nickel-cadmium
Nickel-metal-hydride
Lithium-Ion
Lithium-polymer
Which of the following is NOT a common input device built into a laptop?
Touchpad
Pointing Stick
Fingerprint reader
Flatbed scanner
Which of the following statements is true about the laptop in the picture above?
The laptop is off.
The laptop is charging.
The hard drive is writing or reading data.
The laptop should be able to connect to a wireless network.
Which of the following components would be proprietary in nature and usually impossible to switch out with another laptop?
Motherboard
RAM
Hard drive
CPU
What is the form factor for laptop RAM?
DIMM
DDR2 DIMM
SDRAM
SODIMM
Which display choice would likely be the best choice for your laptop?
LCD
LED
OLED
What are two advantages of LED displays?
Consumes less power
Does not contain mercury
Has a fluorescent backlight
Creates a better picture
Which of the following ACPI states would still provide power to both the CPU and RAM?
S1
S2
S3
S4
S5
Which of the following ACPI states would not provide power to the CPU but still refresh RAM?
S1
S2
S3
S4
S5
Which of the following ACPI states would not provide power to the CPU but refresh RAM at a very slow rate? (Sometimes called suspend mode.)
S1
S2
S3
S4
S5
Which of the following ACPI states would not provide power to the CPU or the RAM? This is called hibernate mode.
S1
S2
S3
S4
S5
Which of the following ACPI states would not provide power to any component. The computer is considered to be off.
S1
S2
S3
S4
S5
