heinemann CHAPTER REVIEW: p109
hey i was a good boy in IPT
did the work while my teacher was away lolz
only thing is i copied the actual answer
a, d, c etc from the website
but these r the real answers
i typed up the question and the actual answer 2 make it as if i did it myself
well hope this helps anyway
COMMUNICATION SYSTEMS:
CHAPTER REVIEW: p109
Chapter A:
1. Cyclic redundancy check is an error detection method that:
A) Uses a division process
2. A Seven-bit ASCII character 1001011 was sent with a parity bit of 1. The character was received as the ASCII character 1000011 and a parity bit of 1
D) Data was sent using an odd parity and interpreted
3. The baude rate is the:
c) Maximum number of data symbols or electrical signals that can transmitted in one second
4. LANs often store application software on more a powerful computer is called a:
C) File server
5. A person uses a debit card to purchase goods in a shop. The transaction details are transferred to the bank’s computer. This data is protected during transmission by:
c) data encryption
6. A combination of hardware and software to link two similar networks:
b) switch
7. A data packet is sent through a LAN to a terminal. The data packet passes through each node
b) ring
8. XModem and ZModem are:
a) File transfer methods
9. Each device in a network is called a:
a) node
10. The bandwidth from lowest to highest, is:
b) Coaxial cable, microwave, fibre-optic cable.
