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WorksheetsOperating System Quiz 1
Total questions: 50
Worksheet time: 25mins
What is the primary role of an Operating System?
It manufactures computer hardware
It acts as a bridge between user, applications, and hardware
It runs only games
It is used only in smartphones
Which of the following is NOT an example of an operating system?
Windows
Linux
macOS
Google Chrome
The OS can be seen from which two main perspectives?
User View and System View
Hardware View and Software View
Application View and Network View
Security View and Resource View
In the user view, what is prioritized over system efficiency?
Security
User Experience
Speed
Cost
From the system view, the OS is considered as:
A Resource Manager
A Hardware Device
An Application
A Network Protocol
What is an interrupt?
A program stored in ROM
A signal telling CPU to pause its task
A type of operating system
A storage device
Which type of interrupt cannot be ignored by the CPU?
Maskable Interrupt
Nonmaskable Interrupt
Chained Interrupt
Priority Interrupt
Interrupt chaining is used when:
Multiple devices share an interrupt line
Interrupts are masked
Only one device is connected
CPU has no tasks
Which is volatile memory?
RAM
ROM
EEPROM
HDD
Which memory type is nonvolatile and stores startup instructions?
RAM
ROM
Cache
Registers
A single chip with multiple CPU cores is called:
Multiprocessor
Multicore System
Cluster
NUMA
NUMA stands for:
Non-Uniform Memory Access
New Universal Memory Architecture
Non-Uniform Machine Allocation
Networked User Memory Access
Clustered systems are mainly used for:
High availability and fault tolerance
Gaming
Web browsing
Basic computing
Which component directly manages data transfer between device and memory?
CPU
Device Controller
RAM
Cache
Which of the following is NOT primary storage?
Registers
Cache
SSD
RAM
What does the Interrupt Vector Table do?
Stores files
Maps interrupt types to handler addresses
Controls internet access
Monitors CPU temperature
Which storage type is the fastest?
HDD
Registers
SSD
Cache
Which memory loses data when power is off?
ROM
RAM
EEPROM
SSD
What is the main goal of OS resource management?
Increase app cost
Share resources efficiently and fairly
Slow down programs
Delete unused files
What is a PROM?
Programmable Read-Only Memory
Process Random Operating Module
Power Reset Output Memory
Parallel RAM Output Mode
Which interrupt type can be disabled temporarily?
Maskable Interrupt
Nonmaskable Interrupt
Priority Interrupt
Software Interrupt
What is the small program that handles an interrupt called?
Interrupt Service Routine
Kernel Driver
Cache Handler
Buffer Manager
Which OS perspective focuses on ease of use?
User View
System View
Developer View
Hardware View
Which of these is a tertiary storage device?
Magnetic tape
SSD
RAM
ROM
Which type of clustered system has a standby node ready to take over?
Symmetric
Asymmetric
NUMA
SMP
What is firmware typically stored in?
ROM
RAM
Cache
Registers
Which of the following is an example of an embedded OS device?
Smart refrigerator
Gaming PC
Laptop
Cloud server
Why is RAM faster than HDD?
RAM is volatile
RAM has no moving parts
HDD uses magnetic plates
RAM is larger
Which system uses distributed memory per CPU?
NUMA
SMP
Multicore
Cluster
Which term refers to multiple devices sharing an interrupt line?
Interrupt Chaining
Masking
Priority Scheduling
Load Balancing
What is the main function of the OS as a control program?
Ensures proper execution of programs
Runs only games
Controls only the keyboard
Blocks all processes
What is the fastest cache memory level?
L1
L2
L3
RAM
Which OS component schedules CPU tasks?
Scheduler
Device Controller
Cache Manager
Buffer
What is stored in EEPROM?
Updatable firmware
Temporary data
Operating system kernel only
Multimedia files
Which of the following is a secondary storage?
SSD
Cache
Register
L1 Cache
Which storage retains data after power is off?
Nonvolatile storage
Volatile storage
Cache memory
L1 cache
Which processor arrangement allows all processors equal access to memory?
SMP
NUMA
Clustered
Multicore
Which is a direct example of nonmaskable interrupt use?
Hardware failure
Keyboard press
Mouse movement
Printer request
Which memory is smallest but fastest?
Registers
Cache
RAM
SSD
Which is an example of primary storage?
RAM
HDD
Magnetic tape
SSD
What does the system bus connect?
CPU, memory, and device controllers
Only CPU and RAM
Only I/O devices
Only storage devices
What is the OS’s main role in multiprogramming?
Efficiently manage multiple processes
Delete extra programs
Slow down execution
Remove CPU access
What does ROM store?
Startup instructions
Temporary data
User files
Multimedia
What is the term for memory built inside the CPU chip?
Cache
RAM
EEPROM
ROM
What happens when power is interrupted in RAM?
Data is lost
Data is saved
Data is compressed
Data moves to HDD
What do device drivers allow?
OS to communicate with hardware
Internet connection
Faster boot
Virus protection
What is the top level of storage hierarchy?
Registers
RAM
Cache
SSD
What is an example of a nonvolatile storage device?
SSD
RAM
Cache
Registers
Which OS type runs on smartphones?
Android
Windows Server
UNIX
DOS
Which device is part of input/output management?
Printer
RAM
Cache
Registers
