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Convert the hexadecimal '3E', which represents a 2's compliment binary number, in decimal.

Firstly, represent the 316 and E16 as 2 four bit binary numbers (known as nibbles). Once we have this (0011 and 1110 respectively), we can then combine them back together, into one...

Answered by John B. Computing tutor
4881 Views

What is recursion and why is it useful?

Recursion is when a named block of code (a subroutine or function) calls itself. We can use recursion to describe some algorithms in very few lines. For example, the following block of p...

Answered by John W. Computing tutor
1721 Views

What is Https?

Https or hyper text transfer protocol secure is a method that is used to securely transfer data between the client and the webserver. This ensures that the data packets sent have been encrypted so that if...

Answered by Harsh P. Computing tutor
1541 Views

Why indentation is important in Python and what is the scope of a global variable?

Normally, in every programming language we should normally use indentation in order to have a nice style and a readable code. But Python programs are structured through indentation, so different code bloc...

Answered by George-Liviu P. Computing tutor
2223 Views

What is the point of an Operating System?

An operating system performs multiple tasks that are vital for a computer running smoothly. E.g.Used to control the hardware of the system/resource management through software like hardware drivers/system...

Answered by Kelvin N. Computing tutor
1347 Views

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