Comptia 1101 Flashcards
Which laptop feature allows users to overcome standard limitations of the keyboard?
Fn key
Which of the answers tecers to internal data storage devices used in laptops
SSDs and magnetic disks
Magnetic drives have what features
High capacity, low cost, low performance
SSDs have what features
Relatively high cost, lower capacity, high performance
Which would be the hardest to replace on a laptop?
Integrated GPU
What type of cards enables communication in 802.11 networks?
WLAN
What is a laptops Bluetooth module an example of?
WPAN
What type of expansion card enables communication over a cellular network
WWAN card
What are the characteristics of IPS LCDs?
High color quality, wide viewing angles, slow response times
What are the characteristics of TN LCDs
Low viewing angles, fast response times, high color quality
What are the characteristics of VA LCDs
High contrast ratios, good viewing angles, good color quality
What are the characteristics of OLEDs
Works without backlight, lower light output than LCDs, better contrast and color representation than LCDs
What is the function of a digitizer
Translate analog data to computer format, component of a mobile device that allows you to touch the screen, a type of input device
What is the function of a laptop’s inverter
Converts AC to DC power, converts DC to AC power, supplies voltage to backlights on older LCDs
Riser card
An expansion card to extend a slot to make it easier for a chip to plug in; a custom small motherboard/expansion for audio, visual, modem, etc.
Do lithium ion batteries have a memory effect?
No
What is a SO-DIMM
Small Outline Dual Inline Memory Module is a very common form factor for extra memory on laptops, and there’s often a dedicated panel for it. Without a SO-DIMM, you would have to replace the entire laptop motherboard to Urías m upgrade memory
What size are magnetic disk drives?
2.5”
Mini PCI and mini PCIe
Interfaces that allow additional connectivity
CCFLs
Cold Cathode Flourescent Lamps, backlight on older laptops.
Common backlight troubleshooting tip
If you can shine a flashlight and make out the screen, the backlight is the problem
Different types of USBs
Usb a- most common
Mini b- older
Micro b- newer
Usb c- 24 pin double sided pin can send displayport and hdmi
Lightning- proprietary 8pin apple connection
DB-9
Older connection used to send rs232, used since 1969, also commonly used on modems and mouse
Different writing devices
Touch screen pens/capacitive stylus is good for precise writing
Digital soles is more advanced, Can communicate when not touching, also pressure sensitive (BRAND SPECIFIC)
External digitizer/ drawing pad an active stylus that can connect to many different brands