IGCSE Computer Science Paper 2 Exam Questions with Answers
4 views 0 purchase
Course
IGCSE Computer Science
Institution
IGCSE Computer Science
algorithm - Correct Answer a step-by-step procedure for solving a problem
Computer system - Correct Answer A five-part system consisting of hardware, software, data, and people and communications
normal data - Correct Answer Entering data that should be acceptable to the solution.
IGCSE Computer Science Paper 2 Exam
Questions with Answers
algorithm - Correct Answer ✅a step-by-step procedure for
solving a problem
Computer system - Correct Answer ✅A five-part system
consisting of hardware, software, data, and people and
communications
normal data - Correct Answer ✅Entering data that should
be acceptable to the solution.
abnormal test data - Correct Answer ✅Test data that is
clearly incorrect and should produce an error.
extreme data - Correct Answer ✅Test data on the boundary
of what the program will accept
boundary data - Correct Answer ✅Data either side of the
range extremes. For example in a range of 1 to 10 boundary
data will include 0, 1, 10 and 11
, IGCSE Computer Science Paper 2 Exam
Questions with Answers
Validation - Correct Answer ✅Is the automated checking by
a program that data is reasonable before it is accepted into a
computer system.
Range check - Correct Answer ✅checks that only numbers
within a specified range (upper and lower limit) are accepted.
E.G. percentage marks between 0-100 ONLY
Length Check (2) - Correct Answer ✅1. checks that data
contains an exact number of characters. E.G. that a password
must by exactly 8 char in length.
2. That the data entered is a reasonable number of character
e.g. family name should be between 2-30 char
Type check - Correct Answer ✅checks that the data
entered is of a given data type. E.G. number of brothers or
sisters would be an integer (whole number)
Character check - Correct Answer ✅checks that when a
string of characters is entered it doesn't contain any invalid
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 or Stuvia-credit 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 Allivia. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
