The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur

تمرين 27

In a computer instruction format, the instruction length is 11 bits and the size of an address field is 4 bits. Is it possible to have
5 two-address instructions
45 one-address instructions
32 zero-address instructions
using the specified format? Justify your answer.
b) Assume that a computer architect has already designed 6 two-address and 24 zeroaddress instructions using the instruction format above. What is the maximum number of one-address instructions that can be added to the instruction set?