Concurrency control is important for which of the following reasons?
Options: To ensure data integrity when updates occur to the database in a multiuser environment, To ensure data integrity when updates occur to the database in a single-user environment, To ensure data integrity while reading data occurs to the database in a multiuser environment, To ensure data integrity while reading data occurs to the database in a single-user environment
The space factor when determining the efficiency of algorithm is measured by
Options: a. Counting the maximum memory needed by the algorithm
b. Counting the minimum memory needed by the algorithm
c. Counting the average memory needed by the algorithm
d. Counting the maximum disk space needed by the algorithm
Options: (A)One system is designed as the system controller and has responsibility for managing the execution of other subsystems. (B) Each system is named as in attributebased identification and associated with one or more change requests. (C) An object class inheritance diagram, how entities have common characteristics. (D) The objective is to develop zero-defect software. 14
In normal view, how can you quickly change to handout master view?
Options: a. Click the outline tab and select handout master view b. Press the shift key and click the handout master view button c. On the view menu, click slide sorter, and click handouts. d. All of above
Options: To maintain and develop individual and collective capacity to resist armed attack, To defend economic and trade interests of the developing nations of the world, TO provide collective defence and economic cooperation in south-east Asia, None of the above
Options: (A)It describes the basic entities in the design and relation between them. (B) Observational techniques used to understand social and organizational requirements. | 99 (C) It is based on the idea of developing an initial implementation, exposing it uses on requirement and refining it through many versions until an adequate system has been developed (D) Based on an idea of developing an initial implementation, exposing this to uses comment and retiring it until and adequate system has been developed. 17
Options: (A)Emerges due to userâ€™s understanding of system develops, during system development (B) Requirements derived from the core activity of the organization and directly related to the domain of the system. (C) Extent to which a system allowed the user to intentionally or unintentionally introduce errors into or misuse the system. (D) None of these. 18