CompTIA IT Fundamentals+ FC0-U61 Cert Guide

Appendix C

Memory Table Answers

Chapter 2

Table 2-1 Decimal 2 to 1024 in Binary and Power of Two

Decimal	Binary	Power of Two (Exponent)	Power of Two (Multiplication)
2	10	21	2
4	100	22	2×2
8	1000	23	2×2×2
16	10000	24	2×2×2×2
32	100000	25	2×2×2×2×2
64	1000000	26	2×2×2×2×2×2
128	10000000	27	2×2×2×2× 2×2×2
256	100000000	28	2×2×2×2× 2×2×2×2
512	1000000000	29	2×2×2×2×2×2×2×2×2
1024	10000000000	210	2×2×2×2×2×2×2×2×2×2

Table 2-2 Decimal 2 to 1024 in Binary and Hexadecimal

Decimal	Binary	Hexadecimal
2	10	2
3	11	3
5	101	5
9	1001	9
15	1111	F
16	10000	10
32	100000	20
33	100001	21
64	1000000	40
65	1000001	41
128	10000000	80
129	10000001	81
255	11111111	FF
256	100000000	100
511	111111111	1FF ...