Answer:
D. 256
Explanation:
Given

Required
Determine the maximum number of output
To get the required value, we make use of the following:

Where n is the bits of the opcode.
i.e.

Substitute 8 for n in 


<em>Hence, option D answers the question</em>
Enroll a student identified by her snum into the class named 'Introduction to Database Systems' is the following transactions, state the SQL isolation level you would use.
1. Enroll a student identified by her snum into the class named 'Introduction to Database Systems'.
<u>Explanation:</u>
Since enroll is unique in the university enrollment database schema and field name is SNUM and it is data type is an integer. To identify student class name and department name and name of student SNUM field is used for searching in university enrollment database schema. Enrollment changing is not possible of the student’s not possible or not good practices in university enrollment database schema.
If a query had been made class wise or department wise enrollment is played an important role.
For assign, a faculty is made on the class id or department id.
Answer: Without GUI's being developed, we most likely would still be using terminal systems. Terminals require command/text input rather than mouse or other input. The invention of GUI's enabled people to use simpler input methods, rather then clunky text input systems. To sum, GUI's simplified the computer experience as we know today.
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In this question, the options are missing. Here is the complete question:
Thomas would like to know when is the best time of the season to plant his tomato seeds. Which type of informational reference should he use?
A. Encyclopedia
B. Atlas
C. Almanac
D. Any of these
The correct answer is Almanac
Explanation:
Knowing the season or month to plant specific seeds is a relevant factor that can determine whether a plant grows and thrives. Because of this Thomas needs accurate and complete information about the best time of the year to plant tomatoes. This information can be found in an almanac because almanacs include planting dates for different plants as well as weather forecasts and other important events that can affect agriculture. Moreover, this informational reference provides information about the current year, which makes it to be updated in the topics it covers.