Each of these boxes is separate and, when at the program level, can be altered without affecting the other boxes.

Student quality has reached an all-time high at both undergraduate and graduate program levels.

The interrupt system had 16 program levels in hardware, each with its own set of general-purpose registers.

The Nord-10 had 160 registers, of which 128 were available to programs, 8 on each of the 16 program levels.

Each program level had its own set of registers, including a program counter and a status word.

Seminar-workshops on re-alignment of all outcomes at the program level were also done.

They may use system calls to create additional banks within their own program level and additional activities.

Youth from throughout the Silicon Valley participate in six program levels.

The social curriculum emphasizes the concepts of grace and courtesy throughout the program levels.

This provided no more main memory addressing, but gave two sets of registers and instructions which flipped from one "program level" to the other.