Mobile Devices - Laptop Facts Flashcards
What are the main differences between a desktop CPU and a laptop CPU
- Laptop CPUs have lower power consumption requirements
- Laptop CPUs produce less heat
Instead of a large heat sink and fan that most desktop systems use, how do laptops keep the CPUs from melting down?
Heat in controlled by minimizing power consumption and using small fans to draw heat away.
What is automatic throttling in laptop CPUs?
It turns off extra cores or reduces the processor speed to conserve energy.
When running off of battery, what can most systems do with CPUs to conserve battery life?
You can configure the processor to use a lower bus speed.
What is laptop memory often referred to as?
MicroDIMMs
What memory packages do laptops use?
SODIMM
UniDIMM
What SDRAM types are used in laptops?
DDR
DDR2
DDR3
DDR4
What do you need to make sure of when replacing laptop memory?
That the system supports the size, speed and type of modules that you want to install.
What is a “pointing stick” on a laptop?
It is the small eraser sized knob in the middle of the keyboard. Moving it, moves the mouse cursor.
What is a digitizer used for in a laptop?
It converts the motions from a stylus pen into data that the system can process.
Which is more common, pointing sticks or touch pads, on a laptop?
Touch pads
What is XGA?
Extended Graphics Array
It is a screen type that uses a 4:3 aspect ration.
What is WXGA
Wide Extended Graphics Array
It uses a wide screen aspect ratio
Where is the video controller on a laptop located?
Either integrated on the motherboard or a separate system component.
How is video memory set up on a laptop?
It’s either shared with the system memory or it has dedicated video memory. Dedicated video memory is less common on laptops.
