extra

Question 1

What is a device driver?

Answer 1

A device driver is a program that controls the operation of a specific type of device (e.g. printer, keyboard, mouse, etc.) that is part of a computer system. Examples is a printer driver software that allows for printing.

Question 2

When do the passes in a bubble sort continue until?

Answer 2

The passes continue until no swaps are made and the data is sorted.

Question 3

Pseudocode for an enqueue procedure

Answer 3

procedure enqueue(newItem)
if tailPointer == myQueue.length
print(“Queue is full”)
else
myQueue[tailPointer] = newItem
tailPointer = tailPointer + 1
endIf
endProcedure

Question 4

Pseudocode for writing a line to a file?

Answer 4

myFile = openWrite(“sample.txt”)
myFile.writeLine(“Hello World”)
myFile.close()

Question 5

What is encapsulation?

Answer 5

All of the object’s attributes are contained and hidden in the object by giving them the private access modifier. They are accessed through public getter and setter methods.

Question 6

What is BRA?

Answer 6

Branch always

Question 7

What is BRP

Answer 7

Branch if the value is 0 or above

Question 8

Why are protocols important?

Answer 8

So they interpret data/signals in the same way