7. which of the following is NOT involved in Binary multiplication and division implementation in computer? ( ) A. addition/subtraction operations B. logical or operation C. comparison operations D. shift operations 8. Which of the following is the IEFE floating point Single precision number representation of m+.() C. 0609809068006800908009680006800 9. Which is the 2 's Complement representation of number +8? ( ) A. 11011111 B. 90991691 C. 1009101 D. 09001090 10. As for a RAM with 4KB (Kilobyte) memory, if there are 10 address lines (each line corresponds to a bit), we need how many data lines (bits) ( ) A. 4(=0.5 byte/location) B. 8 (=1 byte/location) C. 16 ( =2 byte/location) D. 32(=4 byte/location)