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Quiz2

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									                                              Week 5 Quiz
1 Tick correct statements      (tick one or more)                                                 1 mark
File Transfer Protocol (FTP) enables transfer of files between computers
FTP allows uploading of files and downloading of files.
With FTP files can be transferred between different types of computer (eg PC & Mac)

2. What is:-                                                                                      3 marks
Spoofing?




Pharming?




Snooping?




3. How many combinations can be represented by 4 bits (tick one only)                             1 mark
4
32
16

4. What is the main reason for splitting data in to packets for Internet data transfer            2 marks




5. Tick correct statements below (tick one or more)                                      1mark
An applet is a program that runs on a server
A cookie is a text file
Java can only run on one type of operating system


6. Which statements are correct? (tick one or more)                                      1 mark
A computer usually changes information into data
A computer processes data
A computer outputs information
7. Describe three ways by which computers have changed over the past 20 years.                 3 marks
1


2


3


8. Which of these devices provide input to a computer…(tick one or more)                       1 mark
Scanner
Printer
Modem

9. Name three types of wireless connections to the Internet                                    3 marks
1

2

3

10. A file consists of 300 characters and is sent using a modem that can transmit 2400 bps.
   The time taken to send the file is …(tick one only)                                         1 mark
8 seconds
2 seconds
1 second

11. How many files of size 1,000 bytes can be stored on a disc of capacity one Megabyte
                                                                                 (tick one only) 1 mark
10
100
1000

12. Provide the URL for a file named “me.jpg”, in folder “pictures” on a server that hosts
    the domain “allpictures.com.”                                                              1 mark




13. What is the full name of the protocol that enables us to navigate the World Wide Web       1 mark




14. The Internet is not owned by any entity. State one advantage and one disadvantage of this. 2 marks

								
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