Which bitwise operator is suitable for checking whether a bit is on (1) or off (0)?

Consider this assembly code:

     leal (%rdi,%rdi,8), %eax

     addl %eax, %eax

     ret

Which of the following C functions compiled into the assembly code shown?

What are the techniques that can avoid buffer overflows?

The return value is always stored in the following x86-64 architecture's register:

What is the address of the element A[i][j][k] of a 3-dimension array double A[P][Q][R]?

Which architecture provides separate buses for program and data memory?

What are the right definitions of system verification and validation?

The testq b,a instruction is used to compute without setting destination:

With sparse switch statements such as:

switch (a) {

       case 0 : // …

       case 10000 : // …

       default : // …

}

The compiler will use:

The smallest integer that can be represented by an 8-bit number in 2's complement form is