| Question. Incorporating changes in an existing system to enhance update or upgrade its features. |
| 1 | A transmission mode that can transmit data in both the directions but transmits in only one direction at a time. |
| 2 | When access is granted to append or update a file to more than one user, the OS or file management system must enforce discipline. This is _________ |
| 3 | The rules that give meaning to the instructions. |
| 4 | Which of the following is used in EBCDIC? |
| 5 | A term that refers to the way in which the nodes of a network are linked together. |
| 6 | What do we call the point(decimal) in any hexadecimal number of the form 111.A3? |
| 7 | Which of the following is the smallest unit of data in a computer? |
| 8 | A method used to temporarily release time for other threads. |
| 9 | An internet service that allows the user to move a file. |
| 10 | If you are given a word of size n bits the range of 2s complement of binary numbers is ________ |
| 11 | The process in which a file is partitioned into smaller parts and different parts are stored in different disks is ____________ |
| 12 | A topology is a modified version of the basic star topology. |
| 13 | Which of the following is not an object-based logical model? |
| 14 | A stage in which individual components are integrated and ensured that they are error-free to meet customer requirements. |
| 15 | Express the decimal format of the signed binary number (101010)2 . |
| 16 | DES stands for? |
| 17 | Any computer that can access the server is called? |
| 18 | 7’s complement of 432 is _________________ |
| 19 | The 9’s complement of 6578 is ___________ |
| 20 | DBMS manages the interaction between __________ and database. |