Unit 3 Programming and Network Communications: WACE Computer Science ATAR practice quiz
13 questions. Pick an answer and you'll see why right away. Options are shuffled each attempt, and the review at the end links each missed question to the dot point to revise.
What must be true of a list before binary search can be used on it?
What is the worst-case time complexity of binary search on a sorted list of n items?
Trace this pseudocode: set total to 0; FOR i FROM 1 TO 4, set total to total + i × 2; then OUTPUT total. What is output?
A variable declared inside a function can only be used within that function. What is this called?
A program to average three test marks runs without crashing but divides the total by 2. What type of error is this?
A class ElectricCar reuses the attributes and methods of a class Car and adds a batteryLevel attribute. Which object-oriented concept is this?
Which data structure is best for looking up a student's mark quickly using their student ID?
A live video call can tolerate occasional lost packets but needs very low delay. Which transport protocol suits it best?
How many usable host addresses are there in a /26 IPv4 subnet?
At which layer of the OSI model do routers forward packets using IP addresses?
What is the role of DNS on a network?
Which of these is a private IPv4 address?
Which tool lists each router hop between a computer and a destination, helping to locate where delay occurs?