Which of the following is correct regarding Aggregate functions?
Options: it takes a list of values and return a single values as result
B. it takes a list of values and return a list of values as result
C. it takes a single value and returns a list of values as result
D. it takes a single value and returns a single value as result
Which of the following is correct for a gated D-type flip-flop?
Options: The Q output is either SET or RESET as soon as the D input goes HIGH or LOW., The output complement follows the input when enabled., Only one of the inputs can be HIGH at a time., The output toggles if one of the inputs is held HIGH.
Options: the human aspect of the environment around the workstation as well as the workstation itself, the cost relationship of the workstation versus productivity, the level of involvement the operator has with the workstation, the technology involved in the workstation itself
The total capacitance of a series capacitor circuit is:
Options: equal to the sun of the individual capacitive-reactance values, equal to the sum of the individual capacitance values, equal to the source voltage divided by total current, less than the value of the smallest capacitor
. What is the use of Cascade Delete Option in MS Access?
Options: a. It makes sure that all the records from the parent table and child table is deleted from selected database
b. It makes sure that all the related records will be deleted automatically from child table when the records from parent table is deleted
c. It makes sure that all the related records will be deleted automatically from Parent table when the records from child table is deleted
d. None of above
Options: to provide complete file naming freedom to the users and to permit controlled sharing of files, to provide for long and short term storage of files with appropriate economic tradeoffs., to provide security against loss of information due to system failure, all of the above
Options: a. Open Find and Replace Dialog box with activating Find Tab
b. Open Page Setup Dialog box with activating Layout Tab
c. Open Font Dialog Box with activating Font tab
d. Open File Save as Dialog box