Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is B.
The formulas in the spreadsheet are used to do the automatic calculation when data is changed in the spreadsheet.
For example, if you add numbers in a column and then get average. you can use sum() and average() formula to calculate the sum and average of numbers in a column. If you will change any number in the column, the calculation for sum and average automatically done. So, the answer to this question is B. i.e.
so that calculations are automatically redone when data is changed.
While the other options are not correct because:
- To ensure data is entered correctly is done by validation not by using formula.
- To ensure data is properly formated is done in the formatting section.
- The error can be easily identified using validation features in excel.
Answer: (C) Service-oriented
Explanation:
The service-oriented architecture is the one of the type of software design which provide various types of service and application over the network by using different type of communication protocols.
- The service oriented architecture is basically based on the distributed computing on the different types of platform.
This architecture design is mainly based upon the reply and request service from client to the server and vice versa. The service oriented architecture works on the basic principle is that the technology and the products should be independent.
Therefore, Option (C) is correct.
Answer: To be useful for most household applications, DC voltage is passed through a step-down transformer.
Explanation: Voltage coming through AC or DC outlets is typically far too high for most household appliances to handle, so the current is passed through a step-down transformer to reduce the voltage to a usable level.
