Cameroon GCE A-Level Computer Science (0795) Practice Questions - Cameroon General Certificate Of Education Advanced Level Computer Science (Syllabus 0795) Exam

It holds the current machine instruction being decoded and executed by the Control Unit. It stores the memory address of the next instruction to be fetched and executed. It records arithmetic status flags such as zero, carry, sign, and overflow resulting from ALU operations. It temporarily stores operand data transferred between main memory and the Arithmetic Logic Unit.