Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
6.In virtual memory management, when local control policy is applied
Options: (A)It determines the number of processes that are to be resident in main memory. (B) It determines the number of processes that are to be resident in virtual memory. (C) It determines when a modified page should be written out to secondary memory. (D) None of these. 9
Options: a . a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b . a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d . a register in which flag bits are stored
Options: (A)Enables machine language programmer to minimize main memory reference by optimizing register use. (B) Enables assembly language programmer to minimize main memory reference by optimizing register use. (C) A and B both true. (D) A and B both false. 1
The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to
Options: the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun, infrared rays from the sun, ultraviolet rays from the sun, None of the above
After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole tablThere is no method to remove a particular field only.
b. Delete all the fields from third downwards and reenter the required fields again.
c. Select the third column in datasheet view then Delete
d. Select the third row in table design view then Delete