a) Which of the following is not one of the six logical units of a computer? O AInput unit. O B. Output unit. 0 C. Central processing unit. D. Printer b) Which of the following data items are arranged from the smallest to the largest in the data hierarchy. A. records, characters, fields, bits, files. 0 B. bits, files, fields, records, characters. C. fields, characters, bits, files, records. 0 D. bits, characters, fields, records, files. Which of the following is not one of the three general types of computer languages? c) A. Machine languages. 0 B. Assembly languages. C. High-Level languages. 0 D. Spoken languages. Which of the following statements is true? 0 A. Interpreted programs run faster than compiled programs. 0 B. Compilers translate high-level language programs into machine language programs. C. Interpreter programs typically use machine language as input. d) D. None of the above. Which of the following is most closely associated with Moore's Law? ( ) A. Every year or two, the price of computers has approximately doubled. OB. Object-oriented programming uses less memory than previous software-development methodologies C. Demand for communications bandwidth is decreasing dramatically each year 0 D. Every year or two, the capacities of computers have approximately doubled without any increase in price. End-of-line comments that should be ignored by the compiler are denoted using: A. Two forward slashes(//) B. Three forward slashes(///). O C. A slash and a star (/*). D. A slash and two stars(/*). Which of the following does not cause a syntax error to be reported by the C+ + compiler? OA. Mismatched D. g) B. Missing*/in a comment. C. Missing; at the end of a statement. D. Extra blank lines. Th e escape sequence for a newline is: OB.Vt D. a Which of thefollowing is not a valid C++identifier? A. my Value C. width D. m-x Which is the output of the following statements? std::cout