Options: a. for relatively permanent collections of data
b. for the size of the structure and the data in the structure are constantly changing
c. for both of above situation
d. for none of above situation
Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?
Options: Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock, Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved, Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem, None of the above
3.In memory management when demand cleaning policy is applied
Options: (A)A modified page is written before their page frames are needed to so that pages can be written out in batches. (B) A page is written out to secondary memory only when it has been selected for replacement. (C) A and B both true. (D) None of these. 9
What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?
Options: ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);, None of the above is correct.
Options: most analysts agree on the structure and organization of MIS., operational planning reports are a primary informational tool for middle management., an MIS focuses on managing information generated with a computer system, the cross reference of data items is an integral feature of the simple structure used in database organization.
Which of the following is not a characteristic of a daisy chaining priority control scheme?
Options: priority is programmable, it is relatively easy to add more devices to the chain, the failure of one device may affect other devices on the chain, the number of control lines is independent of the number of devices on the chain
2.To copy formatting from one area in a worksheet and apply it to another area you would use
Options: (A)The Edit>Copy Format and Edit>Paste Format commands form the menu. (B) The Copy and Apply Formatting dialog box, located under the Format>Copy and Apply menu. (C) There is no way to copy and apply formatting in Excel â€“ You have to do it manually (D) The Format Painter button on the standard toolbar 22