Waec Data Processing Past Questions
Question 36
The diagram illustrates the relationship between two tables in a database.
The student ID in Tables II is referred to as
- A. primary key
- B. foriegn key
- C. normal key
- D. composite key
Question 37
Which of these measures would not secure data in database?
- A. Encryption
- B. Data integration
- C. Personal Identification Number
- D. Username and passwords
Question 38
The type of file organisation in a DVD-ROM is?
- A. direct access
- B. sequential
- C. serial
- D. hierarchical
Question 39
The following are desturctive software except
- A. drivers
- B. worms
- C. trojan horses
- D. logic bomb
Question 40
Which of the following is a computer professional?
- A. Network Administrator
- B. Web Master
- C. System Analyst
- D. File Manager
