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Unit 2.1 IGCSE Data Transmission

Authored by Phil Collins

Computers

10th - 11th Grade

Used 89+ times

Unit 2.1 IGCSE Data Transmission
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of transmission is used in walkie-talkies?

Simplex

Full Duplex

Half Duplex

Complex

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is parallel data transmission faster than serial data transmission? 

Because multiple channels are used in parallel data transmission.

Because multiple bits are sent over a single channel in parallel data transmission.

Because data might be skewed in serial data transmission slowing the rate of transmission.

None of the other answers are correct.

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What type of transmission is used to transfer data from computer to printer? 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of transmission is USB?

Synchronous parallel transmission

Asynchronous serial transmission

Asynchronous parallel transmission

Synchronous serial transmission

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following correctly represents the data 1101011 if odd parity is used?

01101011

11101011

11010110

11101011

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which of the following methods, is an ACKNOWLEDGEMENT sent to the sender for error-checking?

Automatic Repeat Request

Checksum

Echo Check

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The types of transmission that devices can use are:

Serial and Parallel

Simplex

Duplex

Full Duplex

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