D386 Hardware and Operating System
Essentials Questions with Verified Correct
Answers
Operating system
system software that acts as a "go-between", allowing computer hardware and other software
to communicate with each other
resource manager
what is the purpose of a computer operating system?
Operating System (OS)
What kind of software are the Mac OS X and Windows 10 program?
Android
What operating system is open-sourced and allows its source code to be modified and
redistributed?
Cloud based operating systems
What primarily manages the operating of one or more virtual machines within a virtualized
environment?
primarily stateless
What is a feature of cloud-based operating systems?
System calls
unique set of services provided by operating systems for use by applications and have to be
accounted for by different operating systems.
,Application Programming Interface (API)
A set of software routines that allows one software system to work with another.
Unique system calls
Why do applications designed to work on one operating system not work on a different
operating system?
single-user systems
multitasking systems, found in laptops and workstations
Mobile Device Operating Systems
provides single-user and multitasking at a scaled down level due to power and memory
limitations
Mainframe Systems
large, fast, and powerful, used for high transaction processing and complex computations;
used by corporations and government agencies
network server systems
designed and named for a specific purpose such as database servers, web servers, and print
servers
real-time systems
designed to direct CPU access immediately when needed or required
embedded control systems
specialized operating systems designed to control asingle piece of equipment or machinery
distributed systems
, geared toward allocating process power, programs, files, and databases to network users.
Application Software
software program that helps you use the computer to do particular tasks
Drivers
instructs a particular OS on how to access a piece of hardware
version
particular revision of a piece of software, normally described by a number that tells you how
new the product is in relation to other versions of the product
source code
actual code that defines how a piece of software works
open source
software that is created for free use by everyone
closed source
source code that is highly protected and only available to trusted employees and carefully
vetted contractors
Graphical User Interface (GUI)
A visual display on a computer's screen that allows you to interact with your computer more
easily by clicking graphical elements
network
a group of two or more computer systems linked together
Essentials Questions with Verified Correct
Answers
Operating system
system software that acts as a "go-between", allowing computer hardware and other software
to communicate with each other
resource manager
what is the purpose of a computer operating system?
Operating System (OS)
What kind of software are the Mac OS X and Windows 10 program?
Android
What operating system is open-sourced and allows its source code to be modified and
redistributed?
Cloud based operating systems
What primarily manages the operating of one or more virtual machines within a virtualized
environment?
primarily stateless
What is a feature of cloud-based operating systems?
System calls
unique set of services provided by operating systems for use by applications and have to be
accounted for by different operating systems.
,Application Programming Interface (API)
A set of software routines that allows one software system to work with another.
Unique system calls
Why do applications designed to work on one operating system not work on a different
operating system?
single-user systems
multitasking systems, found in laptops and workstations
Mobile Device Operating Systems
provides single-user and multitasking at a scaled down level due to power and memory
limitations
Mainframe Systems
large, fast, and powerful, used for high transaction processing and complex computations;
used by corporations and government agencies
network server systems
designed and named for a specific purpose such as database servers, web servers, and print
servers
real-time systems
designed to direct CPU access immediately when needed or required
embedded control systems
specialized operating systems designed to control asingle piece of equipment or machinery
distributed systems
, geared toward allocating process power, programs, files, and databases to network users.
Application Software
software program that helps you use the computer to do particular tasks
Drivers
instructs a particular OS on how to access a piece of hardware
version
particular revision of a piece of software, normally described by a number that tells you how
new the product is in relation to other versions of the product
source code
actual code that defines how a piece of software works
open source
software that is created for free use by everyone
closed source
source code that is highly protected and only available to trusted employees and carefully
vetted contractors
Graphical User Interface (GUI)
A visual display on a computer's screen that allows you to interact with your computer more
easily by clicking graphical elements
network
a group of two or more computer systems linked together
