Answer:
Q2: JavaScript Object Notation
Q3: The $project function in MongoDB passes along the documents with only the specified fields to the next stage in the pipeline. ... The specification for $project command contain the inclusion of fields, the suppression of the _id field, the addition of new fields, and the resetting the values of existing fields.
Explanation:
Answer:
Gives a clear structure for storing data
Explanation:
XML provide files that are clear to read and simple to produce, data are stored in form of text and in turn it is used as a transfer mechanism that defines how the structure or model should look like. XML is also usually described as a format that describes itself, and it is easy to learn and use.
Answer:
The “Information poor” are consumers who use traditional mass media information such as television, DVDs, radios and magazines. ... On the opposite “information rich” stands for a new elite within the information society.
Explanation:
The answer is False
The description above is the function of the head or the title element. The title element is used to identify the contents of an entire document. The title element may only appear once. On the other hand, the body element contains all of the content of an HTML document.
Answer:
Program for the above question in python:
mass = float(input("Enter the mass in grams")) # It is used to take the mass as input.
density = float(input("Enter the density grams per cm cube")) # It is used to take the input for the grams.
print("Volume ={:.2f}".format(mass/density)) #It is used to print the Volume.
Output:
- If the user inputs as 2.98 and 3.2, then it will results as 0.92.
Explanation:
- The above code is in python language, in which the first statement is used to take the inputs from the user for the mass and sore it into a mass variable.
- Then the second statement also takes the input from the user and store it into a density variable.
- Then the third statement of the code is used to print the volume up to two places using the above-defined formula.
