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Q3: Programming languages are a major category of system software. They require the use of a variety of programming packages to help programmers develop computer programs and language translator programs to convert programming language instructions into machine language instruction codes. Discuss the five major levels of programming languages?

Q4: An operating system is an integrated system of programs that supervises the operation of the CPU, controls the input/output storage functions of the computer system, and provides various support services. Discuss the four basic functions performs by the operating system?