Different Input, Output and Storage Points

Question 1

What is a serial port?

Answer 1

A connector which has 1 copper wire transfers 1 bit at a time.

Question 2

What is the advantage of using a serial port?

Answer 2

Its faster has fewer electrical connections and has no timing skew or crosstalk.

Question 3

What is a parallel port?

Answer 3

A parallel port has 8 copper wires and transfers 8 bits at a time. Is slower compared to serial packetized protocol.

Question 4

What does USB Stand for?

Answer 4

Universal serial bus

Question 5

How many devices can be daisychained with USB

Answer 5

127

Question 6

What is hot swapping?

Answer 6

Replacing components without significant interruption to the system.

Question 7

What is hot plugging?

Answer 7

adding components to expand system without significant interruption to system operation.

Question 8

How fast is USB 1.0?

Answer 8

1.5 Mps - Keyboard, Mouse 12Mbps printers etc

Question 9

How fast is USB 2.0?

Answer 9

480 Mbps

Question 10

How fast is USB 3.0

Answer 10

5 Gbs

Question 11

How fast is firewire?

Answer 11

800Mb/s

Question 12

What does IDE stand for?

Answer 12

Integrated Drive Electronics

Question 13

What is an IDE expansion bus?

Answer 13

Internal Hard drive connector. supports two hard drives with a maximum 528MB PATA (Parallel ATA)

Question 14

What does EIDE stand for?

Answer 14

Enhanced IDE

Question 15

What is the difference between IDE and EIDE?

Answer 15

EIDE can have 4 drives, 300 Gb, HDD, CD, DVD and Zip drives

Question 16

What is SATA?

Answer 16

Serial ATA - type of connector

Question 17

What does SCSI stand for?

Answer 17

Small Computer Systems Interface

Question 18

What is SCSI used for?

Answer 18

Expensive drives and controllers, HDD, scanners CD Drives