Networking
What device connects multiple computers within a local network?
A switch
What type of cable is commonly used to charge Android devices?
USB
What component converts AC power to DC power?
Power supply (PSU)
What connector is commonly used for video and audio output?
HDMI
What does RAM stand for?
Random access memory
What does DHCP automatically assign to network devices?
IP addresses
What feature allows a phone to be located remotely?
GPS/ location services
What unit is used to measure electrical power?
What type of cable is used for wired Ethernet networks?
Ethernet (Cat 5e / Cat 6)
What happens to data stored in RAM when the computer is powered off?
It is lost
Which wireless standard operates on both 2.4 GHz and 5 GHz bands?
802.11ac (or 802.11n)
What mobile technology allows a phone to make contactless payments?
NFC
What happens if a computer overheats?
It may shut down or throttle performance.
What port type is typically blue and supports high data speeds?
USB 3.0
What type of RAM is commonly used in desktops?
DDR SDRAM
What protocol translates domain names into IP addresses?
DNS
What type of screen is most commonly used on smartphones today?
Touchscreen
What power supply connector provides power to the CPU?
4-pin or 8-pin CPU power connector.
What connector is used to connect internal storage drives?
SATA
What type of RAM is commonly used in desktops?
What tool is used to test network connectivity between two devices?
Ping
What security method allows remote control and management of smartphones?
Control device management
What cooling method uses liquid to remove heat from components?
Liquid cooling
What video connector supports both audio and video and uses a small reversible plug?
What RAM configuration improves performance by using matched memory modules?
Dual-channel memory