21. What is the addition of (-64)10 and (80)16
- (-64)16
- (16)16
- (110000)2
- (01000000)2
22. The octal equivalent of the hex number AB.CD is
- 253.314
- 253.632
- 526.314
- 526.632
22. The decimal equivalent of the hexadecimal number 2A0F is
- 17670
- 17607
- 17067
- 10767