8. What is the binary for -42 (minus forty two) in 10 bits using 2's complement number system? 1111010110 O 1111010101 0000101101 None of the given options 9. For the calculation of 78-42, tick the...

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Extracted text: 8. What is the binary for -42 (minus forty two) in 10 bits using 2's complement number system? 1111010110 O 1111010101 0000101101 None of the given options 9. For the calculation of 78-42, tick the correct statement. There will be an overflow, as we are adding two numbers of different sign There will not be an overflow, as there is an extra carry bit There will not be an overflow, as we are doing 2's complement operation There will not be an overflow, as we are adding two numbers of different sign