OCR A Level Computer Science (H446)

1.2 Software and Software Development: revision quiz and key terms

Free practice for 1.2 Software and Software Development in OCR A Level Computer Science (H446). It has 5 parts: 1.2.1 Operating Systems, 1.2.2 Applications Generation, 1.2.3 Software Development, 1.2.4 Types of Programming Language and 1.2.5 Object-Oriented Programming. Try the questions, then check the key terms.

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Question 1 · Multiple choice

Which scheduling algorithm gives each process a fixed time slice in turn?

Question 2 · True or false?

The kernel is the core part of an operating system that manages the computer's resources.

Question 3 · Multiple choice

Which translator converts the whole of a high-level program into machine code before it is run?

Question 4 · True or false?

In the waterfall model, it is easy to go back and change requirements late in development.

Question 5 · Multiple choice

In object-oriented programming, what is encapsulation?

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Key terms for 1.2 Software and Software Development

Code generation: Produces the final machine code or object code.
Direct addressing: Uses the address given in the instruction to look up a stored value.
Encapsulation: Keeping an object's attributes private so they can only be accessed through its methods.
Inheritance: Allows a subclass to take on the attributes and methods of its parent class.
Kernel: The core part of an operating system that manages the computer's resources.
Paging: Divides memory into fixed-size blocks, allowing non-contiguous storage.
Polymorphism: Allows a method to behave differently depending on the class of the object that uses it.
Real-time OS: Must respond to events within a strict and predictable time limit.

What 1.2 Software and Software Development covers

In RADevo this topic has a full topic test and a focused quiz for each part:

1.2.1 Operating Systems
1.2.2 Applications Generation
1.2.3 Software Development
1.2.4 Types of Programming Language
1.2.5 Object-Oriented Programming

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