solution
The __________ is a program that controls the execution of application
programs and acts as an interface between applications and the computer
hardware.
a. job control language
b. operating system
c. batch system
d. nucleus - correct answers B
Facilities and services provided by the OS that assist the programmer in
creating programs are in the form of _________ programs that are not
actually part of the OS but are accessible through the OS.
a. utility
b. multitasking
c. JCL
d. logical address - correct answers S
The _________ defines the repertoire of machine language instructions that a
computer can follow.
a. ABI
b. API
c. HLL
d. ISA - correct answers D