X.21 protocol consists of
1). Physical and frame levels
2). Frame and packet levels
3). Physical, frame and packet levels
4). Only physical level
1. Which of the following is a programming language for creating special programs like applets?
2. The following are all computing devices, except
3. The main circuit board in the computer that connects the parts of the computer is the____
4. Computers gather data, which-means that they allow users to data:
5. The subject of cybernetics deals with the science of
6. Which supercomputer is developed by the Indian Scientists
7. ROM is an example of which of the following ?
8. What is the significancc of a faded (dimmed) command in a pull-down menu ?
9. कट, कॉपी और पेस्ट करने के लिए कौन-सा मेनू सिलेक्ट किया जाता है ?