Before any changes to database structure are attempted one should first:
Options: clearly understand the current structure and contents of the database only., test any changes on a test database only., create a complete backup of the operational database only., All of the above should be done.
Options: (A)Extent to which all the parts of a software system or component are present and each of its parts is fully specified and developed. (B) Testing of individual hardware/software components (C) An Entity-relation (E-R) diagram show how entities in the system are composed of other entities (D) It consists of wide range of different types of computer programs, which be used to support software process activities such as a requirement analysis, system modeling, debugging and testing. 15
What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?
Options: much greater complexity (more components) than bipolar circuits : better economy, higher operating speed than bipolar circuits, fewer power supply connections are required with MOS ICs, system designers are more familiar with MOS circuitary
Options: It is a social and religious movement form about AD 500 to 1600, It is the movement that influenced the developed of regional language because it emphasised people's everyday speech, both (a) and (b), None of the above
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?
Options: RAM should be erased and the router restarted., Flash should be erased and the router restarted., NVRAM should be erased and the router restarted., The new configuration should be entered and saved.
Options: (A)A set of activities and associated results that produce a software product. (B) It is concerned with re-implementing legacy system to make them more maintainable (C) It is the official statement of what is required of the system developers; it includes uses requirements for a system and detailed specification of the system requirements (D) None of these. 25