Page 135 - TCS ICT Book 8

The City School 2021-2022

accessing digital information to reduce their vulnerability to potentially harmful
information.

Drop shadow: Adds a shadow that falls behind the contents on the layer.
Error handling: An essential procedure in Visual Basic 2010 programming that helps Glossary

make a program error-free.
Event: user action like key press, clicks, mouse movements, etc., or some occurrence

like system generated notifications.
Fake news: deliberately made up stories or images to make people believe something

that isn’t true.
Field: a way of organizing information by type.

Filter gallery: a preview of many of the special effects & filters.
Foreign key: a column or group of columns in a relational database table that

provides a link between data in two tables.
Forms: display cases in stores that make it easier to view or get the items that you

want.
Free transform: lets you apply transformations (rotate, scale, skew, distort, and

perspective) in one continuous operation.
Function: a type of procedure that returns a value that is passed on to the main

procedure to finish execution. A function is similar to a subprocedure but there is one
major difference, a function returns a value whilst a subprocedure does not.

Gradient overlay: fills the layer’s content with gradient.
GPIO: general purpose input-output pins.

Healing brush: lets you correct imperfections, causing them to disappear into the
surrounding image.

Inner glow: add glows that emanate from the inside edges of the layer’s content.
Label: it is used to display some informative text on the GUI which is not changed

during runtime.
Layers: layers let you organize your work into distinct levels that can be edited and

viewed as individual units.
Layer blending mode: defines how the layer’s pixels blend with underlying pixels in the

image.
Layer mask: allows you to hide certain parts of the layer, which can then be revealed

by using the paintbrush and the white paint colour to expose portions of the layer.

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