The meaning of deadlock handling

Scheduling to solve conflicting use of the same resource at the same time

It can protect the OS located memory from user process access,

By determining the range of Legal addresses that the process may access

What is MOSTLY CORRECT statement?

Each row of memory array has a unique address

The base register holds

the smallest legal physical memory address

Two major activities of an OS with respect to program execution.

Process synchronization, Process communication

CORRECT statement about Process Management

Process doesn’t need I/O to accomplish its task

What Linkage Editor does?

Link Object modules with other Object modules

A process passes FIVE (05) states. Chose the correct order.

New > Running > Waiting > Ready > Terminated

What are the components include in threads in OS?

Thread ID, program counter, register set and stack

What is the WRONG statement about process management activities?

Providing a mechanism for event handling

What is multi-programming.

Multiple programs running at the same time using a uniprocessor

What is WRONG statement about the Logical and Physical Address Spaces?

User programs some time work with physical addresses

What is the FALSE statement about the operating system?

It manages all computer software

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Questions 43

Answers

1
The meaning of deadlock handling
Scheduling to solve conflicting use of the same resource at the same time
Preventing the access of the same resource by two computer programs
Control passing method if any user fails to log into an OS using a password
Giving permission to access same interface for many programs
2
It can protect the OS located memory from user process access,
By determining the range of Physical addresses that the process may access
By determining the range of Legal addresses that the process may access
By determining the range of Logical addresses that the process may access
By determining the range of Program addresses that the process may access
3
Privileged mode of the operating system is
Kernel mode
System mode
User mode
Application mode
4
What is the purpose of the registers?
Virtualization
Swapping
Store instructions
Fragmentation
5
What is not a common service offered by an operating system?
Communication
User Interface
Networking
Accounting
6
What is MOSTLY CORRECT statement?
There are machine instruction to get disk addresses
All above
Each row of memory array has a unique address
Memory is a large array of words or bites
7
All Unix and Linux system have one thing in common which is?
All above.
Set of System calls
set of commands
set of instructions
8
The base register holds
the size of the range
the reason for fatal error
the smallest legal physical memory address
the limit of logical memory address
9
Two major activities of an OS with respect to program execution.
Process synchronization
Resource allocation
Error detection
Process communication
10
What hardware development MOSTLY solve the speed of accessing physical memory
Memory Management Unit
ALU
Registers
PC Bus
11
Memory tables may be are used to keep track of
Last Instruction
Virtual memory
I/O Devices
I/0 Modules
12
What is NOT a type of system calls?
Protection
Parameter passing
Device management
File management
13
External fragmentation can be reduced by
Allow processes to use contiguous blocks of physical memory
Format the memory
Compaction
Shuffle used memory together in to one large block
14
The CPU fetches instructions from memory according to the value of
Instruction Pointer
Program counter
Parameter Register
Relocation Register
15
When a thread needs to wait for an event it will
Block
Terminate
Execute
Update
16
CORRECT statement about Process Management
Process doesn’t need I/O to accomplish its task
Program needs resources to accomplish its task
Next instruction is loaded to Cache from Disk
Process is a passive entity, Program is an active entity
17
What is the inbuilt Process which is not included in the file management process?
End
Delete
Open
Create
18
Which one is not a memory-management algorithm?
Segmentation
Caching
Paging
Contiguous allocation
19
Binding of instructions and data to memory addresses can happen at,
Execution time
Compile time
Load time
Static linking
20
Which type of operating system can be used for satellite controlling and weather forecasting?
RTOS
Multiprocessing OS
Multiprogramming OS
Batch OS
21
Which segment might not be generated by C compiler?
Global ( static ) variables
Library code
The heap
User Data
22
What Linkage Editor does?
Link Load modules with other Load modules
Search the errors when linking binary modules
Convert source program to runtime executable binary
Link Object modules with other Object modules
23
Bootstrap is located at
Main memory
Kernel
OS
ROM/EEPROM
24
A GUI uses all of the following except
Complex instructions
Windows
Icons
Menus
25
A process passes FIVE (05) states. Chose the correct order.
New > Running > Waiting > Ready > Terminated
New > Ready > Waiting > Running > Terminated
New > Ready > Running > Waiting > Terminated
New > Waiting > Running >Terminated > Ready
26
Which of the following boots up first when computer is turned on or restart
Compile and go loader
Bootstrap loader
Boot loader
Relating loader
27
Which of the following system calls is used in closing a file
Open()
Closed()
Closer()
Close()
28
What are the components include in threads in OS?
Multi threads, Schedulers, Program counters
Program counter, Threads, set of instructions
Thread ID, program counter, register set and stack
Stack, Multi threads, Schedulers, Program Counters
29
What is the WRONG statement about process management activities?
Providing a mechanism for deadlock handling
Providing a mechanism for event handling
Providing a mechanism for process synchronization
Providing a mechanism for process communication
30
The Basic Input and Output System (BOIS) resides in
The CPU
Memory cache
ROM
RAM
31
What is multi-programming.
Executing programs using several CPU
Executing programs at several times
Multiple programs running at the same time using a uniprocessor
Executing one task at a time
32
Which of the following requires a device driver?
Register
Magnetic Tape
Main Memory
Cache
33
What is WRONG statement about the Logical and Physical Address Spaces?
The address actually seen by the memory hardware is a physical address
User programs some time work with physical addresses
The address generated by the CPU is a logical address
Mapping is handled by the MMU
34
What is the FALSE statement about the operating system?
It manages computer hardware
It acts as an interface between user and computer hardware
It manages all computer software
It provides an environment for the user to execute the program
35
Executable binary is in
Load Module
Source Program
Object Module
System Library
36
System Call for undo open File action
Close()
Release()
Terminate()
Reopen()
37
Interrupts are provided primarily as a way to
Improve processor utilization
Improve processor execution
Improve processor speed
Improve processor control
38
Bootstrap loader is
Perform POST
Reside only in EEPROM
Executed after kernel
Replaced by BIOS in modern Computers
39
Which is NOT an API?
Flask
Spring
Docker
Java REST
40
Which of the following decides the processor time___?
Software
Kernel
Single task time OS
Applications
41
Which of the following is a real time operating system?
All of the mentioned
RTLinux
VxWorks
Windows CE
42
Which of the following work done by dividing the processor time?
Multi task OS
Applications
Single task OS
Kernel
43
Where is the interrupt vector tables located?
NIC
Hard Disk
RAM
ROM

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