6. Which of the following statements about compiler is TRUE? produces machine-language program that can run directly on the underlying hardware b) program runs very fast after compilation c) must compile the entire program before execution d) All of the above 7. The number FE80 is a) Binary b) Octal c) Decimal d) Hexadecimal 8. According to von Neumann Architecture, Computer must have at least a) CPU b) Memory c) I/O System d) All of the above 9. The IBM- compatible (x86-64) computer (PC) is a a) Microcomputer b) Supercomputer c) Mainframe d) All of the above 10. If Computer manual describes CPU as: "Intel Core i7, 3.4 GHz", then 34 GHz is a) CPU Clock frequency b) Memory bus frequency c) Frequency of the bus which connects CPU to chipset d) Graphic controller frequency 1. XNOR gate has 2 inputs (A, B) and output C. If A-B-1, then