classification of computer language
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There are three main types of computer languages: 1. Machine language - Understood directly by computers as binary, fast but difficult for humans. 2. Assembly language - Uses mnemonics like ADD instead of binary, easier for humans but still machine-dependent. Requires an assembler to translate to machine language. 3. High-level languages - Are machine independent, use familiar words and symbols, and require compilers or interpreters to translate to machine language. They are easier for programmers but provide less control over hardware.
classification of computer language
- 1. 1. Machine level language 2. Assembly language 3. High-level language Classification of computer language
- 2. Machine level language Only language of a computer understand by it without using a translation program. Normally written as strings of binary 1s and 0s
- 3. A typical language instruction format OPCODE tells the computer which operation to perform from the instruction set of the computer OPERAND tells the address of the data on which the operation s to be performed
- 4. Advantage Can be execute very fast Limitations Machine Dependent Difficult to program Error prone Difficult to modify
- 5. Assembly / symbolic Language Using alphanumeric mnemonic codes instead of numeric codes for the instruction in the instruction set. E.g. using ADD instead of 1110(binary) or 14 (decimal) for instruction to ADD . Allowing storage locations to be represented in the form of alphanumeric addresses instead of numeric addresses e.g. representing memory location 1000,1001 and 1002 as FRST, SCND and ANSR respectively.
- 6. Assembler Software that translates as assembly language program into an equivalent machine language program of a computer. ASSEMBLER INPUT OUTPUT Assembly Languag e program Machine Languag e program
- 7. Easier to understand and use. Easier to locate and correct errors. Easy to modify. No worry about addresses. Advantages of Assembly language over Machine language Disadvantages of Assembly language • Machine dependent •Knowledge of hardware required
- 8. Machine independent. Do not require programmers to know anything about the internal structure of computer on which high-level language programs will be executed. Deal with high-level coding ,enabling the programmers to write instruction using English words and familiar mathematical symbols and expressions. High-level language
- 9. Compiler Translator program (software) that translates a high level language program into its equivalent machine language program. Compiles a set o machine language instructions for every program instruction in a high level language.
- 10. Interpreter Interpreter is a high level translator Takes one statement of a high level language program ,translates it into machine language instructions. Immediately executes the resulting machine language instructions Compiler simply translates the entire source program into an object program and is involved in its execution. INTERPRETER INPUT OUTPUT High level Languag e program Machine Language program
- 11. Advantages Machine independent. Easier to learn and use. Fever errors during program development. Better documentation. Easier to maintain. Limitations • Less flexibility to control the computer’s CPU, memory and registers
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