Exam (elaborations)
Edexcel A Level Computer Science 2024 Paper 1 Exam Questions and answers
- Institution
- Edexcel A-level Computer Science
Edexcel A Level Computer Science 2024 Paper 1 Exam Questions and answers
[Show more]
Content preview
Edexcel A Level Computer Science 2024Paper 1 Exam Questions and answers
What type of language is Pascal? This type of language helps to
reduce run time errors by forcing declaration of variables & data
types, & captialisation. - Answer>>Strongly Typed
An item of data whose value DOESN'T change -
Answer>>Constant
An item of data whose value COULD change, while being run -
Answer>>Variable
A sequence of steps that can be followed to complete a task in a
finite number of steps, always terminates. - Answer>>Algorithm
A single value within an array (list) - Answer>>Element
One line of a text file - Answer>>Record
Principle of choosing what action to take, based on certain criteria
(conditions) - IF & CASE STATEMENTS - Answer>>Selection
Placing one set of instructions inside another set of instructions -
Answer>>Nesting
Principle of repeating processes - FOR, WHILE, REPEAT UNTIL
- Answer>>Iteration
Process that repeats a set number of times - FOR LOOP -
Answer>>Definite iteration
Process that repeats until a certain criteria is met - WHILE -
Answer>>Indefinite Iteration
, Principle of putting the correct instructions in the right order within
a program - Answer>>Sequence
Process of cutting off a number after a certain number of
characters or d.p - Answer>>Truncating
A unique binary representation of a particular letter, number etc. -
Answer>>Character Code
A named block of code designed to carry out a specific task -
Answer>>Subroutine
More readable code
Allows code to be reused
Allows overloading (changing function based on parameters
passed in) - Answer>>Advantages of subroutines
A subroutine which does not return a value to the main program -
Answer>>Procedure
A variable that is available only in specified subroutines and
functions - Answer>>Local Variable
Cant inadvertley change value being stored somewhere else;
Use same variable name in different sections;
Free up memory as when a local variable is finished with it is
cleared from memory. - Answer>>Advantage of local variables
Variable that is available anywhere in program -
Answer>>Global Variable
A subroutine that returns a value to the main program -
Answer>>Function
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller RevisionKing. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now