Q. Which operands can be used with the ADD and SUB instructions?

View solution

Q. Which operand usually reflects a constant that was hard-coded into the source code?

View solution

Q. Where is the result stored in addition and subtraction operations?

View solution

Q. Does the LEA instruction perform any actual memory accesses?

View solution

Q. Which instructions are used to add and subtract integers on IA-32 processors?

View solution

Q. Why are LEA instructions used by compilers in some cases?

View solution

Q. How do computers deal with multiplication and division?

View solution

Q. What is the most efficient instruction to use when multiplying two variables?

View solution

Q. What do compilers usually do when the multiplier is a constant?

View solution

Q. What is the equivalent of multiplying by powers of 2 in computers?

View solution

Q. What is the latency of the SHL instruction?

View solution

Q. What is the most complex operation in integer arithmetic for computers?

View solution

Q. Which built-in instructions are relatively slow and have a high latency in computers?

View solution

Q. Why is using DIV usually bad for performance but good for reversers?

View solution

Q. What happens when a compiler has constant divisors?

View solution

Q. What is reciprocal multiplication?

View solution

Q. Why is multiplication preferred over division in computers?

View solution

Q. How can fixed-point arithmetic be used to represent fractions and real numbers?

View solution

Q. How is the reciprocal of a divisor used in reciprocal multiplication?

View solution

Q. What is the benefit of using reciprocal multiplication over division in computers?

View solution