Communicatinf with other devices

Question 1

controller

Answer 1

an intermediary apparatus that handles communication between the computer and a device
+Specialized controllers for each type of devices
+General purpose controllers (USB and FireWare)

Question 2

port

Answer 2

the point which a devşce connects to a computer

Question 3

memory mapped I/O

Answer 3

CPU communicates with peripheral (çevresel) devices as though they were memory cells

Question 4

DMA

Answer 4

Direct Memory Acces
Main memory access by a controller over the bus

Question 5

Von Neumann bottleneck

Answer 5

Insufficient bus speed impedes performance

Question 6

Handshaking

Answer 6

The proccess of coordinating the transfer of data between components

Question 7

Parallel comm.

Answer 7

Several comm. paths transfer bits simultaneously

Question 8

Serial comm.

Answer 8

Bits are transfered one after one over a single comm. path

Question 9

bps

Answer 9

bits per second

Question 10

Kbps

Answer 10

1,000 bps

Question 11

Mbps

Answer 11

1,000,000 bps

Question 12

Gbps

Answer 12

1,000,000,000 bps

Question 13

Bandwith

Answer 13

Max. available rate of bps