Language Processors
Job Control Language (JCL) statements are Used to

All of these
Read the input from the slow-speed card reader to the high-speed magnetic disk
Specify, to the operating system, the beginning and end of a job in a batch
Allocate the CPU to a job

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Language Processors
A loader is

is a program that appears to execute a source program as if it were machine language
program that accepts a program written in a high level language and produces an object program
a program that places programs into memory and prepares them for execution
a program that automate the translation of assembly language into machine language

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Language Processors
The system/370 assembler language

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows the programmer to write base registers and displacements explicitly in the source program
allows multiple programs to reside in separate areas of core at the same time
is a term that refers to the control programs of an operating system

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Language Processors
A non-relocatable program is one which

can itself perform the relocation of its address-sensitive portions
consists of a program and relevant information for its relocation
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
All of these

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