Convert each of the signed decimal numbers to an 8-bit signed binary number (two's-complement). +7 –3 –12

• 0000 0111 1111 1101 1111 0100
• 1000 0111 0111 1101 0111 0100
• 0000 0111 0000 0011 0000 1100
• 0000 0111 1000 0011 1000 1100