WorksheetsN5 ESQ Theory
Total questions: 29
Worksheet time: 1hrs 27mins
Explain why it may be necessary to return to the implementation stage of an iterative development process after the testing stage?
State two implications of the General Data Protection Regulation for a business that stores the personal details of its staff.
Explain the purpose of a firewall
Explain how encryption can keep data secure
Give an example of ASCII control character and ASCII printable character
List an attributes of vector object (any)
Describe why the database might use restricted choice data validation:
Describe the methods of reducing the energy use of a computer system:
Describe an advantage of using an interpreter and advantage of using compiler to translate the program code into binary:
State the purpose of a foreign key in relational database?
Describe how a bit-mapped graphic is represented in a computer system's memory:
State the part of the processor that would compare the sales value to the value 10.
State the part of the processor that would temporarily store the value 50.
State the purpose of a primary key in a database table.
Describe how to evaluate the accuracy of the expected output from an SQL statement:
State the purpose of data disctionary:
Describe ways to make code more readable:
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
What part of the processor received the input for concession and allocated it to the memory?
Write line of code to generate a random number between 1 and 6
State a precaution used to secure the data in electronic communication:
Explain why a conditional loop would be used when writing code:
Explain what is an array in programming?
Explain why would you use pre-defined function for well known operation instead of writing the code for it by yourself?
Describe how to evaluate the accuracy of the expected output from an SQL statement
State the security precaution that business should take to protect its customer's payment details when buying online.
Describe what should be done to ensure that the field inside a new record is not left blank?
Describe how expected output could be used to check that the SQL statement works correctly
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?
