Data Processing Questions
Question 51:
Acomputer pofessional who studies an existing system with a view to evolving a computer based system from it is
- A System analyst
- B System administrator
- C Computer programmer
- D Computer engineer
Question 52:
Computer virus cannot be transmitted by
- A Downloading files
- B E-mail attachment
- C Pen drives
- D Typing of keyboard
Question 53:
A program designed to detect and prevent malicious programs from a computer system is
- A Spyware
- B Passcode
- C Malware
- D Firewall
Question 54:
In relational model, a tuple is a?
- A A column of table
- B Key of a table
- C Row of a table
- D Two-dimensional table
Question 55:
Relationship between tables in a relational model are created by
- A Foreign keys
- B Determinants
- C Composite keys
- D Candidates keys