Search our library of All subjects questions

Top answers

All subjects

All levels

What are firewalls? Explain and discuss three methods they employ to secure a network. [8]

So the first thing to do for this question is break down the question into what the marks will be given for. As this question is not testing written communication you do not need to worry about writing lo...

Answered by Bhavik M. • Computing tutor

2483 Views

Perform AND, OR & XOR operations on 0001 1111 & 1010 1010

0001 1111 AND 1010 1010 = 0000 1010

0001 1111 OR 1010 1010 = 1011 1111

0001 1111 XOR 1010 1010 = 1011 0101

Answered by Dom H. • Computing tutor

4619 Views

What is a Mutatable Data Structure?

A Mutatable Data Structure is a type of data structure in which the data structure can be edited, deleted or moved, in comparison to an immutable structure data cannot be...

Answered by Najeeb H. • Computing tutor

2061 Views

What is the difference between compile-time errors and runtime errors?

Before we can run our program on a computer, a compiler translates our human-readable code into machine language - a long string of 0s and 1s. When the code is being compiled, the compiler looks for synta...

Answered by Teodora G. • Computing tutor

3069 Views

Describe the difference between passing parameters into a function by reference and by value? Indicating how this may lead to unexpected outputs.

Passing an input parameter by reference is also called pass by address, this is where the address of the variable to act on is passed to the function. This allows the function to change the value stored a...

Answered by Morgan B. • Computing tutor

2235 Views