Which one of the following is the average of all prime numbers between 21 and 55 ?
The correct answer is C
Which of the following printers generates character from a grid?
Which of the following input device is used for marking attendance of employees/students in organizations/institutions and security purposes?
A process is moved to wait queue when I/O request is made with ____________
Which of the following is not a input device ?
Macintosh is designed and developed by
Select the true statement about an operating system (OS)?
The first programmable computer was_______.
What is the primary purpose of a microphone?
Menus are the part of
The first Network was called ________