A computer has 64 MB (megabytes) of memory

  A computer has 64 MB (megabytes) of memory. Each word is 4 bytes. Also, assume that the computer uses ASCII code, with each ASCII character stored as a byte. 1. 1. How many bits are needed to address each single word in memory? 2. How many bytes of memory are needed to store a full screen of data if the screen is made of 24 lines with 80 characters in each line?