3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
HDMI stands for High Definition Multimedia Interface. It is one of the most common video connection types. HDMI provides video and audio digital streams. HDMI connections can span about 20…
3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
VGA stands for Video Graphics Array. VGA sends analog signals to the display. It’s a DB-15 connector, meaning that there are 15 pins, arranged in 3 rows, inside of the…
3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
A wire conductor sits in the middle. A dielectric insulator surrounds the wire conductor. Metal shielding then surrounds the dielectric insulator. Finally a plastic jacket surrounds the metal shielding. Primarily…
3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
In the previous section, we covered fiber internet connections, now let’s take a look at the actual fiber cable. Uses light instead of electricity so immune to radio or electrical…
3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
Ethernet is the most common wired network connector. Ethernet cable uses the RJ-45 connector, which is also known and 8P8C (8 position, 8 contact). Cat 5 and Cat 5e are…
2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
Crimper If you’re building your own cables, then you’ll need a cable crimper. A crimper pinches the modular connector onto the end of the cable (coaxial, twisted pair, fiber). The…
2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
LAN LAN stands for Local area network A LAN is a group of devices in the same broadcast domain. Group of computers located physically close to each other (no more…
2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
Line of Sight is a wireless internet service that can provide access over a wide geographical area. It’s called line of sight because it requires a visual path between the…
2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001
Modern cellular network allows you to have connectivity practically anywhere. Your smart phone allows you to have access to voice and data simultaneously. Cellular networks requires antennas to be spread…