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NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
SEPTEMBER 2020 EXAMINATION

CIT 701 – Foundation of Information and Communication Technology

Credit: 3 units

TIME ALLOWED: 2½ Hours

INSTRUCTION: Answer Question 1 and any other FOUR (4) Questions

 

 

1a) What is a Value Chain? List three (3) Support Value-Chain activities (4mks)

1b) Outline three (3) classifications of Information (3mks)

1c) Identify the greatest challenge for e-commerce development? (2mks)

1d) State and explain two (2) categories of IT applications? (4mks)

1e) What does the following means in memory? (5mks)

i) Byte

ii) Kilobyte/K-byte/KB/K.

iii) Megabyte/M-byte/MB/Meg

iv) Gigabyte/G-byte/GB/Gig

v) Terabyte/T-byte/TB

1f) Enumerate the opportunities on Information Technology. (4mks)

 

2a) Mention and explain the categories of operating systems. (6mks)

2b) Describe four (4) types of procedures? (6mks)

 

3a) Differentiate between the following:-

i) Microcode (1½ mks)

ii) Pipelining (1½ mks)

iii) Parallel processing (1½ mks)

iv) Accelerator boards (1½ mks)

3b) Explain six (6) different forms of Optical Character Recognition (OCR)

 

4a) Identify and explain four (4) objectives of Database Management Systems. (8mks)

4b) Relate four (4) criteria used to classifying DBMS? (4mks)

 

5a) What is a procedure? Identify and explain four (4) types of procedures in database. (8mks)

5b) Give a precise definition the following database terminologies. (4mks)

i) Shared Database

ii) Distributed Database

iii) Partitioning:

iv) Replication

 

6a) Explain three basic elements of an e-mail message? (6 mks)

6b) Describe any three (3) types transport technologies. (6mks)


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