Answer:
1. Select the cell, click and start typing
2. Select the cell, click and start typing
Explanation:
To enter data in a cell in a spreadsheet, select the cell, click and start typing.
To overwrite data in a cell, select the cell, click and start typing.
A spreadsheet is an application that is used for entering, organizing, analyzing, interpreting and storing data. It a relatively simple application and an example is Microsoft Excel. The easiest way to enter data into a spreadsheet is to select the cell, click and start typing. Overwriting an already existing data can be done in the same manner in which data is entered into a cell - selecting the cell, clicking and start typing.
Answer:
To begin designing a relational database, one must define the Logical structure
Explanation:
Primary key: It is a unique key which uniquely identifies each record in a table. So this does not purely defines the relationship of the table during the beginning of the design.
Foreign key: It is a key which is closely connected to the primary key. The value of the column will accept values only if the values exists in the base table.
Physical structure: This is not going to be related to the relationship of the structure since the storage management is done by Operating system.
Only the logical structure clearly defines the relationship in the database. It will have information about the list of tables and fields. It will also mark the relationship between one table and another.
Answer:(c) abstract class A { abstract void unfinished(); }
Explanation:
A legal abstract class must have the keyword abstract before the class and an abstract class has abstract functions with the keyword abstract written and a void as the return type.
I don’t think it will work sadly. You can probably accumulate points though on your pre existing account. Hope that helps!
Answer:
The answer is "Option b".
Explanation:
Phishing is used by hackers to get sensitive data. It is a software tool, that offers online mail to use we can track the users. It also known as a state, in which clients will have to re-enter id and pass codes to validate themselves due to some changes to the system, and incorrect option can be defined as follows:
- In option a, It is used to attack on user system.
- In option c, It is used to provides unauthorized access.
- In option d, It is also known as malware, which is installed in user smartphones.
