The option which is not correct concerning database design is identify all fields needed to produce the required information.
What is database design?
The database design is the arrangement of the data or the information, according to the model of database.
Let's check all the option one by one,
- Identify all fields needed to produce the required information- This does not concern with the database design.
- Group related fields into tables-A relation database design consist of one or more than one related table. These tables are used together when the information is required.
- Determine each table's primary key- To determine the table's primary key, is the concern with the database design.
- Organize each piece of data into its largest useful part-The database design is the organization of data in the model of database.
The option which is not correct concerning database design is identify all fields needed to produce the required information.
Learn more about the database design here;
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Answer:
Input, Processing, Storage, Output and Communication devices.
Explanation:
Input devices of computer are like Keyboard, Mouse, Scanner. Output devices of a computer are printers, monitors, and headphones.
There are two storages of computer one of them is REM, which can be lost if computer shutdown/closes. Data stays written on the disk until it's erased or until the storage medium fails (more on that later). An example of a communication device is the microphone.
1.544Mb/s (megabits per second)
Answer: object that persist set of values and operations as behavior
Explanation: Abstract data types(ADT)are those object value which are dependent upon the collection of the values and collection of the operations.The organization of the data object is not specified in ADT but the operations that are to be carried out are defined in it.
The implementation individuality displayed by the ADT and hiding of the representation or design makes it abstract.
Answer:
Option c is the correct answer for the above question.
Explanation:
A loop is used to repeat some lines in some specific times which depends on some conditions of the loop. If a person wants to print "welcome" on 5 times then he can do this by two ways one is writing a print statement 5 times and the other is states a loop that executes 5 times through condition. The loop is described or written by three necessary points which are:-
- The fist is to initialize the initial value which tells the compiler for the starting point of the loop.
- The second is to any action for that condition variable which takes the loop for the direction of ending points.
- The third is a condition that defines the ending point of the loop.
The above question also states about the loop in which first and second points are given then the third point is necessary to complete the sentence which is states in option c. Hence the option c is correct while the other is not because--
- Option 'a' states about the class operator which is not the part of the loop.
- Option b states about the documentation plan which is also not the part of the loop.
