c) 3) 3) 3) Which symbol represents a XOR gate? a) 4) Which symbol represents a NOT gate? a) D- 5) The First generation of computers were characterized by the use of (1pt) 5) 6) The third generation of computers were characterized by the use of (1pt) b) Do c) d 6) integrated circuits 7) What architecture is a refinement of the Von Neumann architecture? 7). 8) What are the parts of the instruction cycle? 8) 9) How many bits are allocated in the IEE 754 standard for the exponent of a Single precision floating-point number? (1pt) 9) 10) How many bits are allocated in the IEE 754 standard for the significand of a Double precision floating-point number? (1pt) 10). 11) For the following 32-bit memory address indicate whether the number is positive (P) or negative for the variable provided: 1000 1100 1101 0011 1111 1101 0000 1101 a) int a; 11a) (1 point) b) float b; 116) (1point) c) unsigned intc; 110) (1 point)