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Operating System
1081
Computer Science Fundamentals
998
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Computer Science Fundamentals
In 1969 AT&T laboratories developed ______ which supported and worked on different hardware platforms.
Linux
Unix
Windows
Ubuntu
Unix was found in that year. It worked well on different hardware platforms. Commercial users had to pay a license fee.
Author:
rikazzz
Comment
Computer Science Fundamentals
A method used to temporarily release time for other threads.
yield()
set()
release()
start()
We can use the yield() method to temporarily release time for other threads. It is static by default.
Author:
rikazzz
Comment
Computer Science Fundamentals
What is the medium to convert text information into spoken sentences?
Speech Sensors
Compact convertors
Speech Synthesizers
Voice systems
A speech synthesizer converts text information into spoken sentences. It is used for reading out text information to blind people. This allows people to communicate effectively.
Author:
rikazzz
Comment
OS Mass-Storage Structures
The host sets _____ bit when a command is available for the controller to execute.
write
status
command-ready
control
Author:
rikazzz
Comment
OS The Linux System
When a page fault occurs before an executing instruction is complete if ____________
the instruction must be restarted
the instruction must be ignored
the instruction must be completed ignoring the page fault
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
Text analysis is all about converting the input text into a ‘speakable’ form.
True
False
The statement is true. This process has two phases: firstly the text goes through analysis and then the result is used to generate a speech signal.
Author:
rikazzz
Comment
OS File Systems and Their Implementation
By using FAT, random access time is __________
the same
increased
decreased
not affected
Author:
rikazzz
Comment
OS The Linux System
A memory page containing a heavily used variable that was initialized very early and is in constant use is removed, then the page replacement algorithm used is ____________
LRU
LFU
FIFO
None of the mentioned
Author:
rikazzz
Comment
OS The Linux System
If exec is called immediately after forking ____________
the program specified in the parameter to exec will replace the entire process
all the threads will be duplicated
all the threads may be duplicated
none of the mentioned
Author:
rikazzz
Comment
OS Memory Management
The run time mapping from virtual to physical addresses is done by a hardware device called the ____________
Virtual to physical mapper
Memory management unit
Memory mapping unit
None of the mentioned
Author:
rikazzz
Comment
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