JOA QUIZ –
This quiz is important for the computer MCQ’s asked in the JOA exam. Attempt this Quiz and comment your score.
#1. Devices that enter information and let you communicate with the computer are called
input /output devices
#2. Which among the following was the first graphical Web browser?
None of these
#3. The free available known repair of software bug on Internet is called
#4. The first computer virus is
#5. What is the function of the central processing unit of a computer?
Performs calculations and processing
Corrupts the data
None of the above
#6. The feature that keeps track of the right margin is
find and replace
#7. When a real-time telephone call between people is made over the Internet using computers, it is called
a chat session
an instant message
#8. An electronic device, operating under the control of information, that can accept data, process the data, produce output and store the results for future use, is called
None of these
#9. In ER diagram, relationship type is represented by
#10. Which of the following will be used if a sender of E-mail wants to bold, italics etc. the text message?
Both ‘2’ and ‘3’
#11. It is a set of one or more attributes that can uniquely identify tuples within the relation
#12. All of the logic and mathematical calculations done by the computer happen in/on the
central control unit
central processing unit
#13. The operating system called UNIX is typically used for
#14. The …… file format is a method of encoding pictures on a computer.
#15. Which of the following is a program that uses a variety of different approaches to identify and eliminate spam?
Web storefront creation package