# Signed Integers

1. Write each of the following signed decimal integers in 8-bit binary notation:

If any number cannot be represented as a signed 8-bit binary number, indicate this in your answer.

 ` ` `a.` `-2` ` ` `e.` `+15` `b.` `-7` ` ` `f.` `-1` `c.` `-128` ` ` `g.` `-56` `d.` `-16` ` ` `h.` `+127`

2. Write each of the following 8-bit signed binary integers in decimal:

 ` ` `a.` `11111111` ` ` `g.` `00001111` `b.` `11110000` ` ` `h.` `10101111` `c.` `10000000` ` ` `i.` `11111100` `d.` `10000001` ` ` `j.` `01010101`

3. Which of the following integers are valid 16-bit signed decimal integers?

(indicate V=valid, I=invalid)

 ` ` `a.` `+32469` ` ` `d.` `+32785` `b.` `+32767` ` ` `e.` `-32785` `c.` `-32768` ` ` `f.` `+65535`

4. Indicate the sign of each of the following 16-bit hexadecimal integers:

(indicate P=positive, N=negative)

 ` ` `a.` `7FB9h` ` ` `c.` `0D000h` `b.` `8123h` ` ` `d.` `649Fh`

5. Write each of the following signed decimal integers as a 16-bit hexadecimal value:

 ` ` `a.` `-42` ` ` `e.` `-32768` `b.` `-127` ` ` `f.` `-1` `c.` `-4096` ` ` `g.` `-8193` `d.` `-16` ` ` `h.` `-256`