COP 4600 Final Exam Questions With
Correct Answers
What |pieces |of |hardware |are |in |the |CPU? |- |CORRECT |ANSWER✔✔-Registers, |ALU, |and |control |
unit
Hardware |which |serves |as |the |CPUs |memory. |There |are |special |and |general |purposed |of |these
|- |CORRECT |ANSWER✔✔-Registers
Hardware |which |does |arithmetic |and |logical |computations |- |CORRECT |ANSWER✔✔-ALU
Hardware |which |tracks |state/status. |Also |controls |other |components |- |CORRECT |ANSWER✔✔-
Control |unit
Instruction |cycle |responsible |for |loading |the |instruction |- |CORRECT |ANSWER✔✔-Fetch
Instruction |cycle |responsible |for |finding |the |opcode/operands |of |the |instruction |and |
interpreting |it |- |CORRECT |ANSWER✔✔-Decode
Instruction |cycle |responsible |for |carrying |out |the |instruction |- |CORRECT |ANSWER✔✔-Execute
Protected |instructions |can |only |be |executed |in |a |____________ |- |CORRECT |ANSWER✔✔-
Protected |state
Legacy |boot |process |- |CORRECT |ANSWER✔✔-BIOS
,What |does |BIOS |stand |for? |- |CORRECT |ANSWER✔✔-Binary |Input |Output |System
The |________ |bootstraps |the |boot |sector |- |CORRECT |ANSWER✔✔-Bootloader
What |does |bootstrap |mean? |- |CORRECT |ANSWER✔✔-Loading |up |the |computer
Why |are |the |bootsector |and |bootloader |separate? |- |CORRECT |ANSWER✔✔-Bootsector |is |too |
small
Where |is |the |BIOS |init |stored? |- |CORRECT |ANSWER✔✔-The |motherboard
What |boot |process |is |usable |on |x86-64 |(i386) |standalone |PCs? |- |CORRECT |ANSWER✔✔-BIOS
What |boot |process |has |standard |for |ARM |chipset |systems? |- |CORRECT |ANSWER✔✔-Neither
Which |boot |process |has |standardized |NVRAM |locations |for |system |variables? |- |CORRECT |
ANSWER✔✔-UEFI
Which |boot |process |uses |a |dedicated |bootloader |partition? |- |CORRECT |ANSWER✔✔-BIOS
Which |boot |process |is |usable |on |x86-64 |(x64) |standalone |PCs? |- |CORRECT |ANSWER✔✔-Both
Newer |boot |process |- |CORRECT |ANSWER✔✔-UEFI
Which |boot |process |simplifies |diskless |systems? |- |CORRECT |ANSWER✔✔-UEFI
,What |are |the |functions |of |an |OS? |- |CORRECT |ANSWER✔✔-Loading |programs |onto |machine, |
controlling |I/O |devices, |managing |resources |(memory, |CPU), |multi-tasking |execution, |data |
protection |(permissions), |and |task |interaction |(pipes, |networking)
Mode |for |directly |manipulating |hardware |- |CORRECT |ANSWER✔✔-Kernel |mode
T/F: |No |device |is |directly |accessed |without |the |kernel |- |CORRECT |ANSWER✔✔-True
T/F: |Only |system |libraries |can |invoke |system |calls |- |CORRECT |ANSWER✔✔-False
T/F: |The |system |call |invokes |code |written |by |system |developers, |while |a |procedure |call |invokes
|code |written |by |an |application |programmer |- |CORRECT |ANSWER✔✔-False
A |running |program |is |in |______ |- |CORRECT |ANSWER✔✔-Execution
When |we |run |a |program, |we |create |a |_________ |for |it |- |CORRECT |ANSWER✔✔-Process
Features |of |a |process |- |CORRECT |ANSWER✔✔-Has |some |address |space, |associated |with |
specific |resources, |computational |element/object, |and |has |one |or |more |threads |of |execution
When |we |make |a |_______, |we |add |a |stack |frame |to |the |call |stack |- |CORRECT |ANSWER✔✔-
Procedure |call
Which |pointer |points |to |the |beginning |of |the |stack |frame? |- |CORRECT |ANSWER✔✔-Frame |
pointer
Which |pointer |points |to |the |beginning |of |the |call |stack? |- |CORRECT |ANSWER✔✔-Stack |pointer
, A |___________ |involves |a |switch |into |kernel |mode |for |execution |- |CORRECT |ANSWER✔✔-
System |call
Invocation |of |a |system |call |causes |a |what? |- |CORRECT |ANSWER✔✔-Kernel |trap
What |must |be |stored |in |a |kernel |trap? |- |CORRECT |ANSWER✔✔-Current |address, |registers, |etc
What |gets |the |address |from |the |interrupt |vector |during |a |kernel |trap? |- |CORRECT |
ANSWER✔✔-OS |dispatcher
Generation |of |pre-OS |in |which |there |was |a |control |room |in |which |a |human |operator |ran |
programs |(plugboards) |- |CORRECT |ANSWER✔✔-Generation |0: |The |operator
When |was |Generation |0 |of |OS? |- |CORRECT |ANSWER✔✔-1940s
When |was |Generation |1 |of |OS? |- |CORRECT |ANSWER✔✔-1950s
Generation |of |OS |in |which |a |resident |monitor |was |used |to |execute |common |tasks |(basic |job |
loading, |config, |etc) |for |the |operator. |Users |would |reserve |time |on |the |system. |Precursor |to |
modern |concept |of |OS |- |CORRECT |ANSWER✔✔-Generation |1: |resident |monitor
Generation |of |OS |in |which |job |systems |allowed |many |programs |to |be |run |in |succession. |A |
programmer |would |submit |a |job |on |punch |cards. |The |punch |cards |would |be |read |by |a |card |
reader |onto |magnetic |tap. |An |operator |would |transfer |prepared |jobs |to |processing |unit |on |
input |tape. |Results |would |be |written |to |output |tape, |which |would |be |read |and |printed |- |
CORRECT |ANSWER✔✔-Generation |2: |Batch |systems
Batch |system |in |which |the |OS |sets |up |the |next |job |and |removes |the |current. |Programs |are |run
|sequentially |- |CORRECT |ANSWER✔✔-Uniprogrammed |batch |systems
Correct Answers
What |pieces |of |hardware |are |in |the |CPU? |- |CORRECT |ANSWER✔✔-Registers, |ALU, |and |control |
unit
Hardware |which |serves |as |the |CPUs |memory. |There |are |special |and |general |purposed |of |these
|- |CORRECT |ANSWER✔✔-Registers
Hardware |which |does |arithmetic |and |logical |computations |- |CORRECT |ANSWER✔✔-ALU
Hardware |which |tracks |state/status. |Also |controls |other |components |- |CORRECT |ANSWER✔✔-
Control |unit
Instruction |cycle |responsible |for |loading |the |instruction |- |CORRECT |ANSWER✔✔-Fetch
Instruction |cycle |responsible |for |finding |the |opcode/operands |of |the |instruction |and |
interpreting |it |- |CORRECT |ANSWER✔✔-Decode
Instruction |cycle |responsible |for |carrying |out |the |instruction |- |CORRECT |ANSWER✔✔-Execute
Protected |instructions |can |only |be |executed |in |a |____________ |- |CORRECT |ANSWER✔✔-
Protected |state
Legacy |boot |process |- |CORRECT |ANSWER✔✔-BIOS
,What |does |BIOS |stand |for? |- |CORRECT |ANSWER✔✔-Binary |Input |Output |System
The |________ |bootstraps |the |boot |sector |- |CORRECT |ANSWER✔✔-Bootloader
What |does |bootstrap |mean? |- |CORRECT |ANSWER✔✔-Loading |up |the |computer
Why |are |the |bootsector |and |bootloader |separate? |- |CORRECT |ANSWER✔✔-Bootsector |is |too |
small
Where |is |the |BIOS |init |stored? |- |CORRECT |ANSWER✔✔-The |motherboard
What |boot |process |is |usable |on |x86-64 |(i386) |standalone |PCs? |- |CORRECT |ANSWER✔✔-BIOS
What |boot |process |has |standard |for |ARM |chipset |systems? |- |CORRECT |ANSWER✔✔-Neither
Which |boot |process |has |standardized |NVRAM |locations |for |system |variables? |- |CORRECT |
ANSWER✔✔-UEFI
Which |boot |process |uses |a |dedicated |bootloader |partition? |- |CORRECT |ANSWER✔✔-BIOS
Which |boot |process |is |usable |on |x86-64 |(x64) |standalone |PCs? |- |CORRECT |ANSWER✔✔-Both
Newer |boot |process |- |CORRECT |ANSWER✔✔-UEFI
Which |boot |process |simplifies |diskless |systems? |- |CORRECT |ANSWER✔✔-UEFI
,What |are |the |functions |of |an |OS? |- |CORRECT |ANSWER✔✔-Loading |programs |onto |machine, |
controlling |I/O |devices, |managing |resources |(memory, |CPU), |multi-tasking |execution, |data |
protection |(permissions), |and |task |interaction |(pipes, |networking)
Mode |for |directly |manipulating |hardware |- |CORRECT |ANSWER✔✔-Kernel |mode
T/F: |No |device |is |directly |accessed |without |the |kernel |- |CORRECT |ANSWER✔✔-True
T/F: |Only |system |libraries |can |invoke |system |calls |- |CORRECT |ANSWER✔✔-False
T/F: |The |system |call |invokes |code |written |by |system |developers, |while |a |procedure |call |invokes
|code |written |by |an |application |programmer |- |CORRECT |ANSWER✔✔-False
A |running |program |is |in |______ |- |CORRECT |ANSWER✔✔-Execution
When |we |run |a |program, |we |create |a |_________ |for |it |- |CORRECT |ANSWER✔✔-Process
Features |of |a |process |- |CORRECT |ANSWER✔✔-Has |some |address |space, |associated |with |
specific |resources, |computational |element/object, |and |has |one |or |more |threads |of |execution
When |we |make |a |_______, |we |add |a |stack |frame |to |the |call |stack |- |CORRECT |ANSWER✔✔-
Procedure |call
Which |pointer |points |to |the |beginning |of |the |stack |frame? |- |CORRECT |ANSWER✔✔-Frame |
pointer
Which |pointer |points |to |the |beginning |of |the |call |stack? |- |CORRECT |ANSWER✔✔-Stack |pointer
, A |___________ |involves |a |switch |into |kernel |mode |for |execution |- |CORRECT |ANSWER✔✔-
System |call
Invocation |of |a |system |call |causes |a |what? |- |CORRECT |ANSWER✔✔-Kernel |trap
What |must |be |stored |in |a |kernel |trap? |- |CORRECT |ANSWER✔✔-Current |address, |registers, |etc
What |gets |the |address |from |the |interrupt |vector |during |a |kernel |trap? |- |CORRECT |
ANSWER✔✔-OS |dispatcher
Generation |of |pre-OS |in |which |there |was |a |control |room |in |which |a |human |operator |ran |
programs |(plugboards) |- |CORRECT |ANSWER✔✔-Generation |0: |The |operator
When |was |Generation |0 |of |OS? |- |CORRECT |ANSWER✔✔-1940s
When |was |Generation |1 |of |OS? |- |CORRECT |ANSWER✔✔-1950s
Generation |of |OS |in |which |a |resident |monitor |was |used |to |execute |common |tasks |(basic |job |
loading, |config, |etc) |for |the |operator. |Users |would |reserve |time |on |the |system. |Precursor |to |
modern |concept |of |OS |- |CORRECT |ANSWER✔✔-Generation |1: |resident |monitor
Generation |of |OS |in |which |job |systems |allowed |many |programs |to |be |run |in |succession. |A |
programmer |would |submit |a |job |on |punch |cards. |The |punch |cards |would |be |read |by |a |card |
reader |onto |magnetic |tap. |An |operator |would |transfer |prepared |jobs |to |processing |unit |on |
input |tape. |Results |would |be |written |to |output |tape, |which |would |be |read |and |printed |- |
CORRECT |ANSWER✔✔-Generation |2: |Batch |systems
Batch |system |in |which |the |OS |sets |up |the |next |job |and |removes |the |current. |Programs |are |run
|sequentially |- |CORRECT |ANSWER✔✔-Uniprogrammed |batch |systems
