Ch1 - Introducing Operating Systems - Key Words

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Across
  1. 2. a portion of a program that can run independently of other portions.
  2. 3. distinct processing programs concurrently.
  3. 4. ________ system a type of system developed for the earliest computers that used punched cards or tape for input, which were entered in a batch.
  4. 7. when two or more CPUs share the same main memory, most I/O devices, and the same control program routines. They service the same job stream and
  5. 8. physical system such as jet aircraft or ships.
Down
  1. 1. the primary part of the operating system that remains in random access memory (RAM) and is charged with performing the system’s most essential tasks, such as
  2. 2. a composite measure of a system’s efficiency that counts the number of jobs served in a given unit of time.
  3. 3. ____________system a dedicated computer system, often small and fast, that resides in a
  4. 5. main memory and disk access.
  5. 6. ______ machine is a/an application that emulates the functionality of a computer system.