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20 questions
Which type of laptop display shines light through liquid crystals?
LED
LCD
OLED
CCFL
Which IEEE standard applies to WiFi?
802.11
802.15
802.12
802.14
Which form factor is used for laptop hard drives in a laptop?
2.5"
3.5"
Which of the following is NOT an advantage of using M.2 form factor SSDs in a laptop?
It's smaller
No power cables
It's slower
Easy to install/replace
Which type of network does a Bluetooth connection create?
LAN
PAN
MAN
WAN
You have recently issued new mobile phones to the sales team in your company. Each phone has the ability to store and transmit encrypted information for such things as making payments at a checkout counter. Which of the following technologies is being used in these phones?
USB
NFT
NFC
AirDrop
Which of the following is NOT a disadvantage of LCD monitors?
Black levels are challenging
Lights are difficult to replace
They're lightweight
Requires a separate backlight
Which display technology uses organic materials to create light?
LCD
OLED
IPS
VA
Which display technology does NOT use backlight?
OLED
LCD
Which display technology uses a digitizer?
LED
LCD
CCFL
Touchscreen
You have recently been given an older laptop to use for performing basic tasks such as sending emails and editing documents. However, when the display changes from one color to another, you notice that there is some distortion in the image. Which of the following LCD technology types is MOST likely being used for the LCD display?
VA (vertical alignment)
IPS (in plane switching)
TN (twisted nematic)
OLED
Lloyd works for a graphic design company. His monitor recently failed, and you have been asked to purchase a new one for him. Lloyd would like a monitor with a fast pixel refresh rate, low energy consumption, and accurate color representation. Which of the following types of display devices will BEST meet the requested requirements?
Plasma
OLED
LCD
CRT
Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products?
Touch Screen
Trackball
Scanner
Bar code reader
Which of the following input devices uses a stylus?
Touchpad
Touchscreen
Digitizer
Trackpoint
Which of the following LCD display technologies is the BEST choice for use on touchscreen displays?
VA (vertical alignment)
TN (twisted nematic)
TSD (touch screen digitizer)
IPS (In-plane switching)
You have just purchased a smart watch to track your fitness statistics and health. To change the interface or update the firmware, you need to use an app on your smartphone. Which of the following connection technologies will you MOST likely use to communicate between your watch and the app?
WiFi
E-link
Bluetooth
Ethernet
You are a technician for a company. Additional funds have been allocated to the sales department, and they have asked you to upgrade the memory modules in each employee's notebook computer. Which of the following is the MOST common method to access these memory slots?
Remove the LCD panel.
Remove a side panel and pull out the tray that holds the memory.
Remove the bezel.
Remove the keyboard.
Open a panel on the bottom of the notebook.
A company is purchasing new laptops for their graphic artist division.
Which of the following display technologies provides better contrast and deeper blacks, resulting in better picture quality?
OLED
LCD
Plasma
DLP
You recently replaced a malfunctioning video card on your laptop. After you reassemble the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replaced the video card. Which action can MOST likely resolve this problem?
Reconnect the antenna connections.
Reconnect the laptop battery.
Replace the wireless network card.
Use a wireless network adapter that plugs into a USB port.
Which form factor is used for hard drives in a desktop computer?
2.5"
3.5"
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