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Operating System
1081
Computer Science Fundamentals
998
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Computer Science Fundamentals
Name the device that converts 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. Allowing people to communicate effectively.
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Computer Science Fundamentals
A modulation technique that improves channel bandwidth utilization.
direct
modulation
demodulation
multiplexing
Multiplexing is a modulation technique that improves channel bandwidth utilization.
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OS Memory Management
Sometimes the overhead of keeping track of a hole might be ____________
larger than the memory
larger than the hole itself
very small
all of the mentioned
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OS The Linux System
In the Many to Many models when a thread performs a blocking system call ___________
other threads are strictly prohibited from running
other threads are allowed to run
other threads only from other processes are allowed to run
none of the mentioned
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OS I/O Systems
Caching ____________
holds a copy of the data
is fast memory
holds the only copy of the data
holds output for a device
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OS File Systems and Their Implementation
The first fit and best fit algorithms suffer from _____________
internal fragmentation
external fragmentation
starvation
all of the mentioned
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OS Distributed File Systems
What are the disadvantages of majority protocol?
Complicated implementation
Deadlock cannot occur easily
Bottleneck
All of the mentioned
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OS Protection
Which of the following objects require protection?
CPU
Printers
Motherboard
All of the mentioned
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OS Protection
What are the three copyrights?
copy
transfer
limited copy
all of the mentioned
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rikazzz
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Computer Science Fundamentals
In this technique, there is a link between subscriber and network and a local loop.
SSDL
DSDL
ASDL
TSDL
In ASDL, there is a link between the subscriber and the network. It uses currently installed twisted pair cable.
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rikazzz
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