1) How many ASCII characters can be stored in - a byte? - four bytes? 2) How man

Question

1)                  How many ASCII characters can be stored in

-   a byte?

-   four bytes?

2)                  How many different values can be stored in:

(a)   a bit?

(b)   two bits?

(c)    four bits?

(d)   n bits?

3)                  How many different values can be stored in:

(a)   a byte?

(b)   two bytes?

(c)    four bytes?

4)                  What is the largest unsigned base 2 number that can be stored in: (give your answer in decimal, binary, and hex)

(a)   a byte?

(b)   two bytes?

(c)    four bytes?

5)                  What is the largest (positive) 2's complement number that can be stored in: (give your answer in decimal, binary, and hex)

(a)    a byte?

(b)   two bytes?

(c)    four bytes?

Explanation / Answer

1a) 1

1b) 4

2a) 2

2b) 4

2c) 16

2d) 2^n

3a) 256

3b) 2^16

3c) 2^32

4a) decimal-255, binary-11111111, hex-0xFF

4b) decimal-65535, binary-1111111111111111, hex-0xFFFF

4b) decimal-4294967295, binary-11111111111111111111111111111111, hex-0xFFFFFFFF

5a) decimal-127, binary-01111111, hex-0x7F

5b) decimal-32767, binary-0111111111111111, hex-0x7FFF

5c) decimal-2147483647, binary-01111111111111111111111111111111, hex-0x7FFFFFFF

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