D386 Hardware and Operating System Essentials
Exam Questions With Correct Answers
system |software |that |acts |as |a |"go-between", |allowing |computer |hardware |and |other |software
|to |communicate |with |each |other |- |CORRECT |ANSWER✔✔-Operating |system
what |is |the |purpose |of |a |computer |operating |system? |- |CORRECT |ANSWER✔✔-resource |
manager
What |kind |of |software |are |the |Mac |OS |X |and |Windows |10 |program? |- |CORRECT |ANSWER✔✔-
Operating |System |(OS)
What |operating |system |is |open-sourced |and |allows |its |source |code |to |be |modified |and |
redistributed? |- |CORRECT |ANSWER✔✔-Android
What |primarily |manages |the |operating |of |one |or |more |virtual |machines |within |a |virtualized |
environment? |- |CORRECT |ANSWER✔✔-Cloud |based |operating |systems
What |is |a |feature |of |cloud-based |operating |systems? |- |CORRECT |ANSWER✔✔-primarily |
stateless
unique |set |of |services |provided |by |operating |systems |for |use |by |applications |and |have |to |be |
accounted |for |by |different |operating |systems. |- |CORRECT |ANSWER✔✔-System |calls
A |set |of |software |routines |that |allows |one |software |system |to |work |with |another. |- |CORRECT |
ANSWER✔✔-Application |Programming |Interface |(API)
,Why |do |applications |designed |to |work |on |one |operating |system |not |work |on |a |different |
operating |system? |- |CORRECT |ANSWER✔✔-Unique |system |calls
multitasking |systems, |found |in |laptops |and |workstations |- |CORRECT |ANSWER✔✔-single-user |
systems
provides |single-user |and |multitasking |at |a |scaled |down |level |due |to |power |and |memory |
limitations |- |CORRECT |ANSWER✔✔-Mobile |Device |Operating |Systems
large, |fast, |and |powerful, |used |for |high |transaction |processing |and |complex |computations; |
used |by |corporations |and |government |agencies |- |CORRECT |ANSWER✔✔-Mainframe |Systems
designed |and |named |for |a |specific |purpose |such |as |database |servers, |web |servers, |and |print |
servers |- |CORRECT |ANSWER✔✔-network |server |systems
designed |to |direct |CPU |access |immediately |when |needed |or |required |- |CORRECT |ANSWER✔✔-
real-time |systems
specialized |operating |systems |designed |to |control |asingle |piece |of |equipment |or |machinery |- |
CORRECT |ANSWER✔✔-embedded |control |systems
geared |toward |allocating |process |power, |programs, |files, |and |databases |to |network |users. |- |
CORRECT |ANSWER✔✔-distributed |systems
software |program |that |helps |you |use |the |computer |to |do |particular |tasks |- |CORRECT |
ANSWER✔✔-Application |Software
instructs |a |particular |OS |on |how |to |access |a |piece |of |hardware |- |CORRECT |ANSWER✔✔-
Drivers
, 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 |- |CORRECT |ANSWER✔✔-
version
actual |code |that |defines |how |a |piece |of |software |works |- |CORRECT |ANSWER✔✔-source |code
software |that |is |created |for |free |use |by |everyone |- |CORRECT |ANSWER✔✔-open |source
source |code |that |is |highly |protected |and |only |available |to |trusted |employees |and |carefully |
vetted |contractors |- |CORRECT |ANSWER✔✔-closed |source
A |visual |display |on |a |computer's |screen |that |allows |you |to |interact |with |your |computer |more |
easily |by |clicking |graphical |elements |- |CORRECT |ANSWER✔✔-Graphical |User |Interface |(GUI)
a |group |of |two |or |more |computer |systems |linked |together |- |CORRECT |ANSWER✔✔-network
when |the |operating |system |processes |the |taks |assigned |a |higher |priority |before |processing |a |
task |that |has |been |assigned |a |lower |priority |- |CORRECT |ANSWER✔✔-Cooperative |multitasking
allows |different |parts |of |a |single |program |to |run |concurrently |- |CORRECT |ANSWER✔✔-
Multithreading
involves |the |use |of |interrupt |to |exchange |data |between |I/O |and |memory |- |CORRECT |
ANSWER✔✔-Interupt-Driven |I/O
the |processor |issues |an |I/O |command, |on |behalf |of |a |process, |to |an |I/O |module; |that |process |
then |busy |waits |for |the |operation |to |be |completed |before |proceeding |- |CORRECT |
ANSWER✔✔-programmed |I/O
Exam Questions With Correct Answers
system |software |that |acts |as |a |"go-between", |allowing |computer |hardware |and |other |software
|to |communicate |with |each |other |- |CORRECT |ANSWER✔✔-Operating |system
what |is |the |purpose |of |a |computer |operating |system? |- |CORRECT |ANSWER✔✔-resource |
manager
What |kind |of |software |are |the |Mac |OS |X |and |Windows |10 |program? |- |CORRECT |ANSWER✔✔-
Operating |System |(OS)
What |operating |system |is |open-sourced |and |allows |its |source |code |to |be |modified |and |
redistributed? |- |CORRECT |ANSWER✔✔-Android
What |primarily |manages |the |operating |of |one |or |more |virtual |machines |within |a |virtualized |
environment? |- |CORRECT |ANSWER✔✔-Cloud |based |operating |systems
What |is |a |feature |of |cloud-based |operating |systems? |- |CORRECT |ANSWER✔✔-primarily |
stateless
unique |set |of |services |provided |by |operating |systems |for |use |by |applications |and |have |to |be |
accounted |for |by |different |operating |systems. |- |CORRECT |ANSWER✔✔-System |calls
A |set |of |software |routines |that |allows |one |software |system |to |work |with |another. |- |CORRECT |
ANSWER✔✔-Application |Programming |Interface |(API)
,Why |do |applications |designed |to |work |on |one |operating |system |not |work |on |a |different |
operating |system? |- |CORRECT |ANSWER✔✔-Unique |system |calls
multitasking |systems, |found |in |laptops |and |workstations |- |CORRECT |ANSWER✔✔-single-user |
systems
provides |single-user |and |multitasking |at |a |scaled |down |level |due |to |power |and |memory |
limitations |- |CORRECT |ANSWER✔✔-Mobile |Device |Operating |Systems
large, |fast, |and |powerful, |used |for |high |transaction |processing |and |complex |computations; |
used |by |corporations |and |government |agencies |- |CORRECT |ANSWER✔✔-Mainframe |Systems
designed |and |named |for |a |specific |purpose |such |as |database |servers, |web |servers, |and |print |
servers |- |CORRECT |ANSWER✔✔-network |server |systems
designed |to |direct |CPU |access |immediately |when |needed |or |required |- |CORRECT |ANSWER✔✔-
real-time |systems
specialized |operating |systems |designed |to |control |asingle |piece |of |equipment |or |machinery |- |
CORRECT |ANSWER✔✔-embedded |control |systems
geared |toward |allocating |process |power, |programs, |files, |and |databases |to |network |users. |- |
CORRECT |ANSWER✔✔-distributed |systems
software |program |that |helps |you |use |the |computer |to |do |particular |tasks |- |CORRECT |
ANSWER✔✔-Application |Software
instructs |a |particular |OS |on |how |to |access |a |piece |of |hardware |- |CORRECT |ANSWER✔✔-
Drivers
, 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 |- |CORRECT |ANSWER✔✔-
version
actual |code |that |defines |how |a |piece |of |software |works |- |CORRECT |ANSWER✔✔-source |code
software |that |is |created |for |free |use |by |everyone |- |CORRECT |ANSWER✔✔-open |source
source |code |that |is |highly |protected |and |only |available |to |trusted |employees |and |carefully |
vetted |contractors |- |CORRECT |ANSWER✔✔-closed |source
A |visual |display |on |a |computer's |screen |that |allows |you |to |interact |with |your |computer |more |
easily |by |clicking |graphical |elements |- |CORRECT |ANSWER✔✔-Graphical |User |Interface |(GUI)
a |group |of |two |or |more |computer |systems |linked |together |- |CORRECT |ANSWER✔✔-network
when |the |operating |system |processes |the |taks |assigned |a |higher |priority |before |processing |a |
task |that |has |been |assigned |a |lower |priority |- |CORRECT |ANSWER✔✔-Cooperative |multitasking
allows |different |parts |of |a |single |program |to |run |concurrently |- |CORRECT |ANSWER✔✔-
Multithreading
involves |the |use |of |interrupt |to |exchange |data |between |I/O |and |memory |- |CORRECT |
ANSWER✔✔-Interupt-Driven |I/O
the |processor |issues |an |I/O |command, |on |behalf |of |a |process, |to |an |I/O |module; |that |process |
then |busy |waits |for |the |operation |to |be |completed |before |proceeding |- |CORRECT |
ANSWER✔✔-programmed |I/O
