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Add Two Positive 8-bit Binary Integers (GCSE Computing)

The following is a GCSE Computing test covering 'Add Two Positive 8-bit Binary Integers' from the broader topic 1. Data Representation. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.
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Add the two 8-bit binary integers 10000000 + 01000000. What is the 8-bit binary sum?
Add the two 8-bit binary integers 01100011 + 00011101. What is the 8-bit binary sum?
Add the two 8-bit binary integers 01011111 + 01000001. What is the 8-bit binary sum?
Add the two 8-bit binary integers 00111100 + 00000101. What is the 8-bit binary sum?
Add the two 8-bit binary integers 00000111 + 00001001. What is the 8-bit binary sum?
Add the two 8-bit binary integers 11001100 + 00110011. What is the 8-bit binary sum?
Add the two 8-bit binary integers 11110000 + 00010000. What is the 8-bit result stored in the register (ignore extra carry)?
Add the two 8-bit binary integers 00000001 + 00000001. What is the 8-bit binary sum?
Add the two 8-bit binary integers 00011111 + 00000001. What is the 8-bit binary sum?
Add the two 8-bit binary integers 01111111 + 00000001. What is the 8-bit binary sum?
Add the two 8-bit binary integers 00101001 + 00010110. What is the 8-bit binary sum?