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Q. What is interpreter?
An interpreter translates each high-level-language statement into its equivalent set of machine-language instructions, which are then executed right away. Interpretive languages such as Basic are very inefficient for programs with loops (repetitive instructions). The inefficiency is corrected by a compiler,which translates the complete high-level language intomachine language.
Once the whole program is compiled, it can be executed as many times as desired without any need for recompilation. Examples of compiler languages are Fortran, Pascal, and C.
An operating system, such as DOS, VMS, or UNIX, consisting of a set of system programs, performs resource management and human-to-machine translation, supporting a given computer architecture. Operations such as starting and stopping the execution, as well as selecting a specific compiler or assembler for translating a given programintomachine language, are taken care of by the operating system, which is unique for a given microcomputer, minicomputer, or mainframe.
How do you make programs portable on Unix and Does under such circumstances? Constructors are invoked themself when the object is created for a class. There may be any number o
What is Instruction Cycle The simplest model of instruction processing can be of two steps. The CPU reads /fetches instructions (codes) from memory one at a time and executes i
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
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Convert the octal number 7401 to Binary. Ans. Octal number 7401 to Binary conversion: Every octal digit represents 3 binary digits. To change an octal number to binary number,
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