Section 5.5
Review Questions
Registers

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1. What is usually stored in a register?

answer...
a binary number

2. What do we call the bit at the right end of a number, when written from left to righ, such as 1101111010000001₂?

answer...
LSB (least significant bit)

3. What do we call registers used by assembly programmers to store intermediate values?

answer...
general purpose registers

4. How many bits wide are most such registers?

answer...
32

5. What other component(s) of a computer system often determine how wide registers will be?

answer...
number wires in the bus, size of a single cell of main memory, number of bits that the adder can handle in one computation