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Object of a mathematical operation, quantity on which an operation is performed
mathematics, an operand is the object of a mathematical operation, i.e., it is the object or quantity that is operated on. Unknown operands in equalities
Operand
Model that describes the programmable interface of a computer processor
(TTA), only operand(s). Most stack machines have "0-operand" instruction sets in which arithmetic and logical operations lack any operand specifier fields;
Instruction_set_architecture
Combinational digital circuit
units (GPUs). The inputs to an ALU are the data to be operated on, called operands, and a code indicating the operation to be performed (opcode); the ALU's
Arithmetic_logic_unit
Instructions for the x86 microprocessors
two-operand form a ← a + b can now use a non-destructive three-operand form c ← a + b, preserving both source operands. Originally, AVX's three-operand format
Advanced_Vector_Extensions
Unary operators that add or subtract one from their operand, respectively
decrement operators are unary operators that increase or decrease their operand by one. They are commonly found in imperative programming languages. C-like
Increment and decrement operators
Increment_and_decrement_operators
CPU optimization technique to improve instruction-level parallelism
Operand forwarding (or data forwarding, register bypass) is an optimization in pipelined CPUs to limit performance deficits which occur due to pipeline
Operand_forwarding
Binary operator in computer programming
operand if its value is logically true (according to a language-dependent convention, in other words, a truthy value) or returns its second operand if
Elvis_operator
In electronic low power digital synchronous circuit design, operand isolation is a technique for minimizing the energy overhead associated with redundant
Operand_isolation
Design flaw in 1993-1997 Intel processors
one offending instruction. More formally, the bug is called the invalid operand with locked CMPXCHG8B instruction bug. In the x86 architecture, the byte
Pentium_F00F_bug
Computer science topic
value bitwise operations, presented as two-operand instructions where the result replaces one of the input operands. On simple low-cost processors, typically
Bitwise_operation
Instruction set of the Java virtual machine
for a method call has an "operand stack" and an array of "local variables". The operand stack is used for passing operands to computations and for receiving
JVM_bytecode
Instruction set architecture extension for microprocessors
up to 4 operands. Like the VEX coding scheme, the EVEX prefix unifies existing opcode prefixes and escape codes, memory addressing and operand length modifiers
EVEX_prefix
SIMD CPU instruction set
constant field and a set of instructions that take XMM0 as an implicit third operand. Several of these instructions are enabled by the single-cycle shuffle
SSE4
operator), there is a sequence point after the evaluation of the first operand. Most of the operators available in C and C++ are also available in other
Operators_in_C_and_C++
Mathematics notation with operators preceding operands
operators precede their operands, in contrast to the more common infix notation, in which operators are placed between operands, as well as reverse Polish
Polish_notation
Mathematics notation where operators follow operands
operators follow their operands, in contrast to the more common infix notation (in which operators are placed between operands), as well as prefix notation
Reverse_Polish_notation
Aspect of the instruction set architecture of CPUs
architecture identify the operand(s) of each instruction. An addressing mode specifies how to calculate the effective memory address of an operand by using information
Addressing_mode
Option–operand separation is a principle of imperative computer programming. It was devised by Bertrand Meyer as part of his pioneering work on the Eiffel
Option–operand_separation
Operations transforming individual bits of integral data types
representation of AND which does its work on the bits of the operands rather than the truth value of the operands. Bitwise binary AND performs logical conjunction
Bitwise_operations_in_C
Single chip microcontroller series by Intel
When the operand is a destination (INC operand, DEC operand) or the operation already includes an immediate source (MOV operand,#data, CJNE operand,#data
Intel_MCS-51
Extension to the x86 instruction set
the destination. The four-operand form (FMA4) allows a, b, c and d to be four different registers, while the three-operand form (FMA3) requires that d
FMA_instruction_set
Series of pioneering microprocessors from the 1980s
the operands of following instructions. Further instructions were supported via the instruction code Operate (Opr), which decoded the constant operand as
Transputer
Programming languages binary operator
binary operator that evaluates its first operand and discards the result, and then evaluates the second operand and returns this value (and type). There
Comma_operator
List of x86 microprocessor instructions
a 16-bit operand size, the address is ANDed with 00FFFFFFh. On Intel (but not AMD) CPUs, the SGDT and SIDT instructions with a 16-bit operand size is –
List_of_x86_instructions
Property determining how equal-precedence operators are grouped
parentheses. If an operand is both preceded and followed by operators (for example, ^ 3 ^), and those operators have equal precedence, then the operand may be used
Operator_associativity
index is scaled by the operand length. Indirect The instruction specifies the location of a pointer word that describes the operand, possibly involving multiple
Comparison of instruction set architectures
Comparison_of_instruction_set_architectures
Microprocessor produced by Western Digital
Notari. The WD16 is an example of orthogonal CISC architecture. Most two-operand instructions can operate memory-to-memory with any addressing mode and
WD16
Number of arguments required by a function
and computer science, arity (/ˈærɪti/ ) is the number of arguments or operands taken by a function, operation or relation. In mathematics, arity may also
Arity
8-bit microcontroller family
is limited to special "load far" instructions; most operations' memory operands can access at most 128K (a 16-bit base address plus 16-bit offset). Depending
STM8
64-bit extension of x86 architecture
integer formats. In 64-bit mode, instructions are modified to support 64-bit operands and 64-bit addressing mode. The x86-64 architecture defines a compatibility
X86-64
Mathematics concept
with a complementing subtractor. The first operand is passed to the subtract unmodified, the second operand is complemented, and the subtraction generates
Ones'_complement
Family of backward-compatible assembly languages
first operand is both the first source operand and the destination operand. fsubr and fdivr should be singled out as first swapping the source operands before
X86_assembly_language
Logical connective AND
most modern and widely used. The and of a set of operands is true if and only if all of its operands are true, i.e., A ∧ B {\displaystyle A\land B} is
Logical_conjunction
Mathematical model describing how an output of a function is computed given an input
machine model. Stack machine (0-operand machine) Accumulator machine (1-operand machine) Register machine (2,3,... operand machine) Random-access machine
Model_of_computation
linear sequence of tokens are divided into two classes: operators and operands. Operands are objects upon which the operators operate. These include literal
Common_operator_notation
Shift operator in computer programming
sometimes termed a signed shift (though it is not restricted to signed operands). The two basic types are the arithmetic left shift and the arithmetic
Arithmetic_shift
Instruction set architecture developed by Digital Equipment Corporation
specify an operand. Three bits select one of eight addressing modes, and three bits select a general register. The encoding of the six bit operand addressing
PDP-11_architecture
First computer to use magnetic disk storage
(R phase) to read the source operand and copy it to the core buffer, and one (W phase) to write the destination operand from the core buffer. If the P
IBM_305_RAMAC
Mathematical table used in logic
can additionally specify that the rows are the first operand and the columns are the second operand. This condensed notation is particularly useful in discussing
Truth_table
RISC instruction set architecture
instructions have a three-operand format, in that they have two operands representing values for the address and one operand for the register to read or
SPARC
CPU register used for modifying operand addresses
processor register (or an assigned memory location) used for pointing to operand addresses during the run of a program. It is useful for stepping through
Index_register
Instruction set architecture extension for microprocessors
instruction codes to have up to four operands (plus immediate), where the original scheme allows only two operands (plus immediate). It allows the size
VEX_prefix
Intermediate code used by optimizing compilers
code-improving transformations. Each TAC instruction has at most three operands and is typically a combination of assignment and a binary operator. For
Three-address_code
only the (logically) last one need actually be written. It checks if the operands are available (read-after-write) and if execution unit is free (structural
Reservation_station
Basic programming language construct
then concatenated with the second operand. In general, a programmer must be aware of the specific rules regarding operand coercion in order to avoid unexpected
Operator (computer programming)
Operator_(computer_programming)
Topics referred to by the same term
computer programming that returns its first operand if its value is considered true, and its right operand if not Null coalescing operator, an operator
Or
Virtual machine that runs Java programs
exits. Each frame provides an "operand stack" and an array of "local variables". The operand stack is used for operands to run computations and for receiving
Java_virtual_machine
Series of 16-bit computers by Texas Instruments
OPR R ; R contains operand 1. Indirect register - the register contains the address of the operand: OPR *R ; R points to operand 2. Indexed: OPR @MEM(R);
TI-990
Value for unrepresentable data
of two operands that are expected to be numbers) that favor numbers — if just one of the operands is a NaN then the value of the other operand is returned
NaN
Early mechanical calculator
section to the front. The input section has 8 dials with knobs to set the operand number, a telephone-like dial to the right to set the multiplier digit
Stepped_reckoner
Part of a computer instruction
instructions specify the operands the operation will act upon. Opcode prefixes may alter the number, size, or addressing mode of the operands. RISC processors
Opcode_prefix
8-bit microcontroller product lines from STMicroelectronics
separate 12-bit (4096 byte) program space. Operands are always 1 byte long, and some instructions support two operands, such as "move 8-bit immediate to 8-bit
ST6_and_ST7
Mathematical operation with only one operand
an operation with only one operand, i.e. a single input. This is in contrast to binary operations, which use two operands. An example is any function
Unary_operation
Low-level programming language family
be built-in and some user-defined. Many operations require one or more operands in order to form a complete instruction. Most assemblers permit named constants
Assembly_language
Binary operator in computer programming
returns the result of its left-most operand if it exists and is not null, and otherwise returns the right-most operand. This behavior allows a default value
Null_coalescing_operator
Part of a machine instruction
instructions specify the data (known as operands) the operation will act upon, although some instructions may have implicit operands or none. Some instruction sets
Opcode
Family of related bitwise operations on machine words
input of all zero bits is usually 0 for ffs, and the bit length of the operand for the other operations. If one has a hardware clz or equivalent, ctz
Find_first_set
Type of instruction set architecture
load–store architectures. For instance, in a load–store approach, both the operands and the destination for an ADD operation must be in registers. This differs
Load–store_architecture
Addition, multiplication, division, ...
number. In general, the input values may be called "operands" or "arguments". The number of operands is the arity of the operation. The arity is usually
Operation_(mathematics)
Problems with central processing unit design
used to deal with hazards, including pipeline stalls/pipeline bubbling, operand forwarding, and in the case of out-of-order execution, the scoreboarding
Hazard (computer architecture)
Hazard_(computer_architecture)
2021 roguelike video game
Girls' Frontline: Project Neural Cloud. Android. 2024-5-31. The entry "Operand" in the built-in encyclopedia Shanghai Sunborn Network Technology Limited
Girls' Frontline: Neural Cloud
Girls'_Frontline:_Neural_Cloud
Computer architecture hardware algorithm
If one or more of the operands is not yet available then: wait for operand to become available on the CDB. When all operands are available, then: if
Tomasulo's_algorithm
Bit-level computer operation
a logical shift is a bitwise operation that shifts all the bits of its operand. The two base variants are the logical left shift and the logical right
Logical_shift
Mathematics notation with operators between operands
statements. It is characterized by the placement of operators between operands—"infixed operators"—such as the plus sign in 2 + 2. Binary relations are
Infix_notation
Feature of some programming languages
a binary operation, which means it has two operands. In C++, the arguments being passed are the operands, and the temp object is the returned value.
Operator_overloading
Type of Lisp function
In Lisp programming languages, a fexpr is a function whose operands are passed to it without being evaluated. When a fexpr is called, only the body of
Fexpr
32-bit RISC-like computing architecture
register. Immediate-operand forms allow 1 or 2 following instruction parcels to specify a 16-bit (sign-extended) or 32-bit immediate operand. The processor
Clipper_architecture
Logical connective OR
classical disjunction and its nearest equivalents in natural languages. An operand of a disjunction is a disjunct. Because the logical or means a disjunction
Logical_disjunction
Mathematical symbol for "greater than"
semicolon in C. In XPath the >> operator returns true if the left operand follows the right operand in document order; otherwise it returns false. >>> is the
Greater-than_sign
16-bit microprocessor
methods of accessing operands (addressing modes). Addressing modes include Immediate (operand in instruction), Direct or "Symbolic" (operand address in instruction)
TMS9900
Topics referred to by the same term
calculation from zero or more input values (called operands) to an output value Arity, number of arguments or operands that the function takes Binary operation
Operation
Mathematical symbol for "less than"
appended. In XPath the << operator returns true if the left operand precedes the right operand in document order; otherwise it returns false. In PHP, operator
Less-than_sign
Floating-point number formats
invalid operands. any other 0 anything Unnormal. Only generated on the 8087 and 80287. The 80387 and later treat this as an invalid operand. The value
Extended_precision
High-level programming language
the operation used. The binary + operator casts both operands to a string unless both operands are numbers. This is because the addition operator doubles
JavaScript
SIMD instruction set
control operand. Six instructions that negate packed integers in the destination operand if the corresponding element in the source operand is negative
SSSE3
Set of rules defining correctly structured programs
function or data operands and evaluate to a dyadic or monadic function. Operators have long left scope. An operator takes as its left operand the longest function
APL_syntax_and_symbols
Personal computer, invented in 1970
instructions operate between a register and another operand using five addressing modes: Immediate (operand is in second byte of instruction) Memory (second
Kenbak-1
List of computer processor instructions
accumulator machines, with a common accumulator "W" being one operand in all 2-operand instructions. In the instruction set tables that follow, register
PIC_instruction_listings
Floating-point microprocessor
transfer the additional bytes of the operand itself. If an 8087 instruction with a memory operand called for that operand to be written, the 8087 would ignore
Intel_8087
IBM midrange computer (1969–1985)
half-byte indicated a two-operand instruction. "0000" meant both operands were addressed by their direct 16-bit address. "0100": operand 1 uses register (reg)
IBM_System/3
Algorithmically modifying data below the word level
instruction (popcnt) that counts the number of 1's or 0's in the operand might be available; an operand with exactly one '1' bit is a power of 2. However, such
Bit_manipulation
Computer instruction set architecture
(or from) memory, as well as registers. If the architecture allows all operands to be in memory or in registers, or in combinations, it is called a "register
Register–memory_architecture
Central computer component that executes instructions
performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit
Central_processing_unit
defines a set of 4-operand fused-multiply-add instructions that take four input operands – a destination operand and three source operands. FMA3 is supported
List_of_x86_SIMD_instructions
Computer of the Saturn V rocket
were split into a 4-bit opcode field (least-significant bits) and a 9-bit operand address field (most-significant bits). This left it with sixteen possible
Launch Vehicle Digital Computer
Launch_Vehicle_Digital_Computer
Operations in the C standard library that classify characters
whether the operand is alphanumeric isalpha iswalpha checks whether the operand is alphabetic islower iswlower checks whether the operand is lowercase
C_character_classification
Logical operation
dog runs", then "not P {\displaystyle P} " is "The dog does not run". An operand of a negation is called a negand or negatum. Negation is a unary logical
Negation
Esoteric programming language
operators. SELECT takes the bits of its first operand that correspond to "1" bits of its second operand and removes the bits that correspond to "0" bits
INTERCAL
C keyword for defining a structured data type
-> operator dereferences the pointer (left operand) and accesses the value of a struct member (right operand). struct Point p = { 3, 7 }; int x = p.x;
Struct (C programming language)
Struct_(C_programming_language)
16-bit microprocessor family
remaining 11 bits encoded the address of the operand. If the 11 bits were all set to zero, it instead read the operand from the next 16 bits in memory. On startup
Ferranti_F100-L
Basic instruction cycle in a computer
CPU, such as the arithmetic logic unit (ALU), or back to memory to fetch operands, or to the floating-point unit (FPU). The ALU performs arithmetic operations
Instruction_cycle
Property of an intermediate representation in a compiler
entangled SSA-Webs, meaning there are Φ instructions whose operands do not all have the same root operand. In such cases color-out algorithms are used to come
Static_single-assignment_form
Array that replaces runtime computation with a simpler array indexing operation
8}; return (bits_set[operand.each_byte[0]] + bits_set[operand.each_byte[1]] + bits_set[operand.each_byte[2]] + bits_set[operand.each_byte[3]]); }} "Lookup
Lookup_table
Method of CPU communication
instructions that perform an ALU operation directly on a memory operand (loading an operand from a memory location, storing the result to a memory location
Memory-mapped I/O and port-mapped I/O
Memory-mapped_I/O_and_port-mapped_I/O
16-bit microprocessor
one of the operands. At most one of the operands can be in memory, but this memory operand can also be the destination, while the other operand, the source
Intel_8086
Mixed-signal microcontroller family
used constant values (0, 1, 2, 4, 8 and −1) without needing an immediate operand word. R4 through R15 are available for general use. The instruction set
TI_MSP430
Topics referred to by the same term
may refer to shocked, disturbed, or confused. 0-O, abbreviation for 0-operand instruction set 0o, or zero object, a mathematics term for a simultaneously
0O
1960s decimal computer
program is: Set Word Mark (opcode , operands 036 008). This must always be the first instruction, and one of its operands must always be 008 or else the next
IBM_1401
Type of computer
are Turing-complete. Most or all stack machine instructions assume that operands will be from the stack, and results placed in the stack. The stack easily
Stack_machine
Free software
limits to the precision except the ones implied by the available memory (operands may be of up to 232−1 bits on 32-bit machines and 237 bits on 64-bit machines)
GNU Multiple Precision Arithmetic Library
GNU_Multiple_Precision_Arithmetic_Library
OPERAND
OPERAND
OPERAND
OPERAND
Boy/Male
Arabic
Variant of Nasi'; Obvious; Evident
Boy/Male
Italian Spanish
Mountain. Abbreviation of Montague and Montgomery.
Boy/Male
Tamil
Narasimha | நரஸிஂஹாÂ
An incarnation of Lord Vishnu, Lion among men
Female
Yiddish
Variant spelling of Yiddish Shayna, SHAYNAH means "beautiful."
Boy/Male
Arabic, Hindu, Indian, Muslim
Horseman; Knight
Boy/Male
Egyptian
Victor.
Surname or Lastname
English
English : perhaps a patronymic (meaning ‘son of the butler’) from Burl.Aaron Burleson emigrated from England to NC in 1726.
Girl/Female
Arabic, Gujarati, Hindu, Indian, Muslim
Gorgeous
Male
Hebrew
Variant spelling of Hebrew Meir, MEYER means "giving light."
Boy/Male
Indian, Sanskrit
Sword; Dagger; Scimitar
OPERAND
OPERAND
OPERAND
OPERAND
OPERAND
n.
The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.