Question: I want to set the first 4 bits, starting with the MSB, to 0 in an 8 bit number and leave the remaining lower order

I want to set the first 4 bits, starting with the

I want to set the first 4 bits, starting with the MSB, to 0 in an 8 bit number and leave the remaining lower order 4 bits the same. What operation should I perform? O & with OxFF O && with OxOF O (or) with OXOF O & with OXOF

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