a. Define the following terms as used in computer applications. (3mks)
i. Network
ii. Encryption
iii. Protocol

b. Write the following acronyms in full. (2mks)
i. EBCDIC
ii. MIPS

c. Briefly describe the following terms as used in computer applications. (4mks)
i. Data communications
ii. Communication channels

d. Distinguish between the following terms as used in computers. Give examples in each case. (10mks)
i. Uploading and downloading
ii. Data and information
iii. Primary and secondary storage
iv. Analogue and digital signals
v. Local and wide area networks.

e. Describe FOUR main information system activities. (4mks)

f. How many BITS are contained in the following data items? Show the working clearly. (7mks)
i. 2 bytes of text file
ii. 16 kilobytes of video file
iii. 4 megabytes of audio file