3.1 Hardware - section 2, 10 Flashcards
Bit:
The term bit refers to a binary digit. A single “bit” can store one of two values: 1 or 0. And is display using a lowercase “b”. Computer measure storage and data transfer rates in terms of bits
Nibble:
is 4 bits
Byte:
is 8 bits. Is displayed using an uppercase “B”.
Kilobit:
1000 bits(1Kb), 1Kbps(1Kilobit per second).
Mega:
Meaning 1,000,000(1 million) so you can have 1Mb(1 Megabit) or 1MB(1 Megabyte)
Giga:
Meaning 1,000,000,000(1 billion) so you can have 1Gb(1 Gigabit) or 1GB( 1 Gigabyte)
Tera:
Meaning 1,000,000,000,000(1 trillion) so you can have 1Tb(1 Terabit) or 1TB(1 Terabyte)
What does USB stand for
Universal Serial Bus
DB9 Connector:
D-Shaped sub-miniature pin at the back of a computer. The fastest speed of a Serial Cable is 115 kilobits per second.
Host Controller:
Uses the same amount of bandwidth for all devices in a port.
USB Cale Length performance difference
Longer Cables have higher changes of resistance and speed and signal deterioration. A short cable will give maximum performance.
What is an HDMI cable
HDMI is the most Widely used video Interface. HDMI High Resolution 4k and 8k with 60, 120, or 144 Hertz
HDMI Digital Content Protection (HDCP):
Allows a device to validate the connection
The two HDMI cable categories
HDMI Category 1 (Standard), HDMI Category 2 and Category 2.1 (High Speed)
HDMI Category 1 (Standard)
Used for video content .Category 1 supports 1080P and 60 Hertz
HDMI Category 2 and Category 2.1 (High Speed)
Has a great length of distance and high resolution. Category 2 and 2.1 includes premium high speed of 18Gbps and ultra-high speed of 48Gbps that are specified for data transfer
What is an DP cable
DisplayPort (DP): Display port was developed by the industry association known as the Video Electronic Standards Association or VESA. Display was made to compete with HDMI, so most things you find with HDMI also have Display Port. DisplayPort has the same capabilities as HDMI. DisplayPort can support high speed data transfer up to 20Gbps