computing revision Flashcards
(17 cards)
what does HTML stand for?
Hyper Text mark up language.
what two parts is HTML split up into?
head and the body.
what does CSS stand for?
cascading style sheets
what is the CSS code written in?
style tags inside the head.
what is an algorithm?
a list of step- by - step instructions.
what is a computer program?
a structured algorithm.
which programming language does greenfoot use?
Java
what different ways can spreadsheets be used?
Record data, analyse patterns and make predictions.
what does IDE stand for?
integrated development environment.
what is the difference between an object and a class?
a class shares the same properties. an object is a single instance of a class.
what is the difference between the internet and the world wide web?
the internet is a global network of interconnected networks including all the hardware & cables such as routers. the world wide web is a way of accessing information. includes billions of web pages linked together using hyperlinks.
what is the difference between a for loop and a while loop?
a for loop is a count controlled loop. a while loop is a condition controlled loop.
why might flowcharts be used by programmers?
helps break a problem down into smaller steps
helps you communicate ideas to other people
helps to identify how many steps there are in a process.
what is the difference between the head and the body in a HTML document?
the head is where the webpage title is displayed. the body is where the page content is displayed.
what is conditional formatting?
it is used to automatically change the style of a cell based on its value.
why are comments used in algorithms?
they are used to explain the purpose of a section of code.
what is a selection?
when the program makes a decision.