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Operating System
1081
Computer Science Fundamentals
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Computer Science Fundamentals
Attack in which a user creates a packet that appears to be something else.
Smurfing
Trojan
E-mail bombing
Spoofing
The attack is a spoofing attack. It is when a user creates a packet that appears to be something else or from someone else.
Author:
rikazzz
Comment
OS Memory Management
If there are 32 segments, each of size 1Kb, then the logical address should have ____________
13 bits
14 bits
15 bits
16 bits
To specify a particular segment, 5 bits are required. To select a particular byte after selecting a page, 10 more bits are required. Hence 15 bits are required.
Author:
rikazzz
Comment
Computer Science Fundamentals
OSS stands for:
Open System Service
Open Source Software
Open System Software
Open Synchronized Software
OSS stands for open source software. OSS allows any user to download, view, modify and redistribute the software. Also, the user can fix bugs according to needs.
Author:
rikazzz
Comment
OS Mass-Storage Structures
A tape holds _______ data than optical or magnetic disk cartridge.
lesser
more
much lesser
none of the mentioned
Author:
rikazzz
Comment
OS The Linux System
, if a process is sent a signal while it is executing a system call ____________
the system call will continue execution and the signal will be ignored completely
the system call is interrupted by the signal, and the signal handler comes in
the signal has no effect until the system call completes
none of the mentioned
Author:
rikazzz
Comment
OS Process Synchronization
A collection of instructions that performs a single logical function is called ____________
transaction
operation
function
all of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
What is correct instruction if you want the control to go to the location 2000h?
MOV 2000h
MOV A, 2000h
JMP 2000h
RET 2000h
The JMP instruction is used to move to a particular location. In 8085 microprocessor, JMP statement tells the processor to go to location 2000h (here).
Author:
rikazzz
Comment
OS The Linux System
When the target thread periodically checks if it should terminate and terminates itself in an orderly manner, it is called?
Asynchronous cancellation
Systematic cancellation
Sudden Termination
Deferred cancellation
Author:
rikazzz
Comment
OS Processes
In Operating Systems, which of the following is/are CPU scheduling algorithms?
Round Robin
Shortest Job First
Priority
All of the mentioned
In Operating Systems, CPU scheduling algorithms are:
i) First Come First Served scheduling ii) Shortest Job First scheduling iii) Priority scheduling iv) Round Robin scheduling v) Multilevel Queue scheduling vi) Multilevel Feedback Queue scheduling All of these scheduling algorithms have their own advantages and disadvantages.
Author:
rikazzz
Comment
OS Security
What are the different ways to intrude?
Buffer overflows
Unexpected combinations and unhandled input
Race conditions
All of the mentioned
Author:
rikazzz
Comment
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