SSC
COMPUTER
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
A binary machine code instruction
|
|
|
A memory address
|
|
|
A meaningful abbreviation used in assembly language
|
|
|
None of the above
|
Detailed explanation-1: -Generally, a mnemonic is a symbolic name for a single executable machine language instruction (an opcode), and there is at least one opcode mnemonic defined for each machine language instruction. Each instruction typically consists of an operation or opcode plus zero or more operands.
Detailed explanation-2: -Mnemonic. A mnemonic is an abbreviation for an operation. A mnemonic is entered into the operation code for each assemble program instruction to specify a shortened “opcode” that represents a larger, complete set of codes.
Detailed explanation-3: -A symbol that (a) is used to assist the human memory and (b) is based on human experience and knowledge, such as an image of a national flag to represent a country, a + to represent addition, or MPY to represent multiply. See also image, knowledge, symbol.