Answer:
constant or constant expression
register name
variable name (memory)
Explanation:
Literally, operand means data which an operation can be performed on. The operation could be an arithmetic or logical operation.
From the list of options, several operations can be performed on:
- constants e.g.

- registers and
- variables e.g. (a + b)
<em>However, no operation can be performed on keywords and/or reserved words.</em>
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Answer:
Forward Compatible
Explanation:
If a piece of software designed to run on Windows XP can run on the latest version of Windows, we say the latest version of Windows is Forward Compatible.
Forward compatibility or upward compatibility is a design characteristic that allows a system to accept input intended for a later version of itself. The concept can be applied to entire systems, electrical interfaces, telecommunication signals, data communication protocols, file formats, and computer programming languages.
The objective for forward compatible technology is for old devices to recognise when data has been generated for new devices.
Answer:
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Answer:
UI Character Presets
Explanation:
User Interface is an option or go-to menu in a desktop application. For example, Photoshop. It allows a user to tweak the outlook to his or her own preference rather than the default settings.
To do this, a user is often tasked to do the following:
1. Click on the "Edit" menu
2. Navigate and click on "Preferences"
3. Select the "Interface" link
The options available to change includes:
a. UI Scaling
b. UI Font Size
c. UI Language.
Hence, in this case, the element that is not a selection in the Interface preferences is "UI Character preset"