Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
7.In round robin (time slicing) policy applied on uni processor scheduling
Options: (A)When interrupt occurs, the currently running process is placed in ready queue, and next ready job is selected in First come First serve basis. (B) When interrupt occurs, the currently running process is placed in ready queue and next ready job is selected in random order. (C) No interruption is entertained. (D) None of these. 12
Which of the following is(are) true of system analysts?
Options: their responsibility is to analyze and design system software, they may be looked upon as an intermediary between users and programmers, they are heavily involved with the system-development life cycle, both (a) and (c)
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
Options: The cables are attached firmly, Â Â The external drive has been preÂ¬loaded with the appropriate software, Â Â The external drive was attached before the computer was on, Â Â The external drive is turned on
Options: EXISTS/NOT EXISTS is a form of a correlated subquery., The processing of the SELECT statements is nested., They can be used to verify functional dependencies., They are very similar to a regular subquery.
4.When you link data maintained in an excel workbook to a word document
Options: (A)The word document cannot be edit (B) The word document contains a reference to the original source application (C) The word document must contain a hyperlink (D) The word document contains a copy of the actual data 22
Options: (A)Involves only those tasks executing a communication operation (B) It exists between program statements when the order of statement execution affects the results of the program. (C) It refers to the practice of distributing work among tasks so that all tasks are kept busy all of the time. It can be considered as minimization of task idle time. (D) None of these
Options: a. The facility to easy editing, spelling check, auto pagination, lay out and printing reports
b. The ability to store large amount of data to facilitate easy update, sort and retrieval
c. The ability to calculate efficiently with the help of built-in functions and analyze
d. All of above
When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?