WGU D686 OPERATING SYSTEMS FOR
COMPUTER SCIENTISTS UPDATED ACTUAL
EXAM QUESTIONS AND CORRECT
ANSWERS
●● Operating system
Answer: Software that manages a computer's hardware, helps
applications work, and lets users interact with the computer
●● hardware
Answer: The CPU, memory devices, input/output devices, and any other
physical components that are part of a computer
●● application program
Answer: a program designed for end-user execution, such as a word
processor, spreadsheet, compiler, or Web browser
●● ease of use
Answer: the amount of difficulty and complexity involved in using some
aspect of computing
●● resource utilization
,Answer: the amount of a given resource (hardware or software) that is
being used
●● touch screen
Answer: a touch-sensitive screen used as a computer input device
●● voice recognition
Answer: a computer interface based on spoken commands, which the
computer parses and turns into actions
●● Siri
Answer: the Apple voice-recognition system
●● embedded computer
Answer: a computer system within some other, large system (such as a
car) that performs specific, limited functions and has little or no user
interface
●● resource allocator
Answer: an operating system or application that determines how
resources are to be used
●● control program
, Answer: a program that manages the execution of user programs to
prevent errors and improper use of the computer. it is especially
concerned with the operation and control of I/O devices
●● Moore's law
Answer: the idea that the number of parts on a computer chip doubles
about every 18 months
●● kernel
Answer: the main part of an operating system that starts running as soon
as a computer turns on
●● system program
Answer: software related to the operating system but designed for
smaller and more specific tasks
●● bus
Answer: a pathway that moves data and instructions between parts of a
computer, like the CPU and devices
●● device driver
Answer: software that helps the operating system talk to and control
hardware like printers or keyboards
COMPUTER SCIENTISTS UPDATED ACTUAL
EXAM QUESTIONS AND CORRECT
ANSWERS
●● Operating system
Answer: Software that manages a computer's hardware, helps
applications work, and lets users interact with the computer
●● hardware
Answer: The CPU, memory devices, input/output devices, and any other
physical components that are part of a computer
●● application program
Answer: a program designed for end-user execution, such as a word
processor, spreadsheet, compiler, or Web browser
●● ease of use
Answer: the amount of difficulty and complexity involved in using some
aspect of computing
●● resource utilization
,Answer: the amount of a given resource (hardware or software) that is
being used
●● touch screen
Answer: a touch-sensitive screen used as a computer input device
●● voice recognition
Answer: a computer interface based on spoken commands, which the
computer parses and turns into actions
●● Siri
Answer: the Apple voice-recognition system
●● embedded computer
Answer: a computer system within some other, large system (such as a
car) that performs specific, limited functions and has little or no user
interface
●● resource allocator
Answer: an operating system or application that determines how
resources are to be used
●● control program
, Answer: a program that manages the execution of user programs to
prevent errors and improper use of the computer. it is especially
concerned with the operation and control of I/O devices
●● Moore's law
Answer: the idea that the number of parts on a computer chip doubles
about every 18 months
●● kernel
Answer: the main part of an operating system that starts running as soon
as a computer turns on
●● system program
Answer: software related to the operating system but designed for
smaller and more specific tasks
●● bus
Answer: a pathway that moves data and instructions between parts of a
computer, like the CPU and devices
●● device driver
Answer: software that helps the operating system talk to and control
hardware like printers or keyboards
