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N5 ESQ Theory

Total questions: 29

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

Explain why it may be necessary to return to the implementation stage of an iterative development process after the testing stage?

4 lines
2.

State two implications of the General Data Protection Regulation for a business that stores the personal details of its staff.

4 lines
3.

Explain the purpose of a firewall

4 lines
4.

Explain how encryption can keep data secure

4 lines
5.

Give an example of ASCII control character and ASCII printable character

4 lines
6.

List an attributes of vector object (any)

4 lines
7.

Describe why the database might use restricted choice data validation:

4 lines
8.

Describe the methods of reducing the energy use of a computer system:

4 lines
9.

Describe an advantage of using an interpreter and advantage of using compiler to translate the program code into binary:

4 lines
10.

State the purpose of a foreign key in relational database?

4 lines
11.

Describe how a bit-mapped graphic is represented in a computer system's memory:

4 lines
12.

State the part of the processor that would compare the sales value to the value 10.

4 lines
13.

State the part of the processor that would temporarily store the value 50.

4 lines
14.

State the purpose of a primary key in a database table.

4 lines
15.

Describe how to evaluate the accuracy of the expected output from an SQL statement:

4 lines
16.

State the purpose of data disctionary:

4 lines
17.

Describe ways to make code more readable:

4 lines
18.

When the program runs it makes use of the components of the processor. Explain the role of the following in running the program:

Registers

Control Unit

4 lines
19.

What part of the processor received the input for concession and allocated it to the memory?

4 lines
20.

Write line of code to generate a random number between 1 and 6

4 lines
21.

State a precaution used to secure the data in electronic communication:

4 lines
22.

Explain why a conditional loop would be used when writing code:

4 lines
23.

Explain what is an array in programming?

4 lines
24.

Explain why would you use pre-defined function for well known operation instead of writing the code for it by yourself?

4 lines
25.

Describe how to evaluate the accuracy of the expected output from an SQL statement

4 lines
26.

State the security precaution that business should take to protect its customer's payment details when buying online.

4 lines
27.

Describe what should be done to ensure that the field inside a new record is not left blank?

4 lines
28.

Describe how expected output could be used to check that the SQL statement works correctly

4 lines
29.

I want to keep a record of all numbers I thrown using dice.

What data structure and data type should I use to store my record?

4 lines