A quantity on which a mathematical or logical operation is performed.
[From Latin operandum, neuter gerundive of operārī, to operate. See operate.]
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n.
Computer Desktop Encyclopedia:
operand
The part of a machine instruction that references data or a peripheral device. In the instruction, ADD A to B, A and B are the operands (nouns), and ADD is the operation code (verb). In the instruction READ TRACK 9, SECTOR 32, track and sector are the operands.
Wikipedia:
operand
In mathematics, an operand is one of the inputs (arguments) of an operator. For instance, in
- 3 + 6 = 9
'+' is the operator and '3' and '6' are the operands.
The number of operands of an operator is called its arity. Based on arity, operators are classified as unary, binary, ternary etc.
In computer programming languages, the definitions of operator and operand are almost the same as in mathematics.
Additionally, in assembly language, an operand is a value (an argument) on which the instruction, named by mnemonic, operates. The operand may be a processor register, a memory address, a literal constant, or a label. A simple example (in the PC architecture) is
- MOV DS, AX
where the value in register operand 'AX' is to be moved into register 'DS'. Depending on the instruction, there may be zero, one, two, or more operands.
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
Translations:
Translations for:
Operand
Français (French)
n. - (Math) opérande
Deutsch (German)
n. - (Math.) Operand
Ελληνική (Greek)
n. - (μαθ.) συντελεστής
Español (Spanish)
n. - (matemática) operando
Svenska (Swedish)
n. - beräkningsmängd (mat.)
中文（简体） (Chinese (Simplified))
运算域
中文（繁體） (Chinese (Traditional))
n. - 運算域
العربيه (Arabic)
(الاسم) معامل, عامل
עברית (Hebrew)
n. - המספר עליו מתבצעת פעולה מתמטית
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operand
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Computer Desktop Encyclopedia. THIS COPYRIGHTED DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher. © 1981-2008 Computer Language Company Inc. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Operand". Read more |
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| Translations. Copyright © 2007, WizCom Technologies Ltd. All rights reserved. Read more |
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Mentioned In:
- monadic (technology)
- unary (technology)
- zero-level address (computer science)
- first-level address (computer science)
- direct address (computer science)
- immediate operand (computer science)
- monadic operation (computer science)
- NOT (logical operator)
- direct instruction (computer science)
- four-plus-one address (computer science)
- future label (computer science)
- macroparameter (computer science)
- no-address instruction (computer science)
- indirect addressing (computer science)
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