题目

求大神来解答下面的问题
1．An audio signalis sampled 8000 times per second. Each sample is represented by 256 differentlevels. How many bits are needed to represent this signal?
A.8000 B. 256*8000 C.7*8000 D. 8*8000
2．An imaginarycomputer has four data registers (R0 to R3), 1024 words in memory, and 16different instructions (add, subtract, etc.). What is the minimum size of an instructionin bits if a typical instruction uses the following format: add 565 R2.
A.12 B. 16 C.15 D. 14
3．Given the binary number 00100010 , which one of the following is thecorresponding decimal number?
A.20 B. 34 C.68 D. 36
4．Show the following number in 32-bit IEEE format:+2-4*1.01110011
A.0,01111011,01110011000000000000000
B.0,01111011,10111001100000000000000
C.1,01111011,01110011000000000000000
D.1,00000100,01110011
5．A computer has 64MB of memory. Each word is 4 bytes. How many bitsare needed to address each single word in memory?
A.24 B. 23 C.13 D. 14
6．A gray sc

提问时间：2021-03-25

答案