Discussion
The term 'polling' in a computer means a process by which a computer system
Answer: D
Correct answer: inquires to see if a terminal has any transaction to send
Polling is the controller asking each device or terminal in turn whether it has anything to send, and moving on if it has not. It costs processor time whether or not there is work, which is why interrupts are preferred where the hardware supports them.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development