Memory Management - Word Drop

To run a program, the operating system copies it from storage into ______, where the CPU can execute it. The ______ used by the program is copied into memory too. The operating system keeps a ______ of where each program and its data are located. Without this record, a new program could ______ one that is already in memory.

The operating system manages many tasks at the same time. This is called ______. It decides which ______ will next run on the CPU and for how long. A process is a program that is currently running.

An ______ is a signal sent to the CPU to show that an event needs immediate attention. A ______ interrupt comes from a device, for example a printer running out of paper. An interrupt that comes from a program, such as a divide-by-zero error, is a software interrupt.

When main memory is short, the operating system uses a technique called ______. It moves processes that are not using the CPU out of main memory into ______. They are swapped back when they are needed. Main memory is divided into ______ to help manage this.