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Operating System
1081
Computer Science Fundamentals
998
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Computer Science Fundamentals
Which of the following is a Computer Graphics type?
Raster and Vector
Raster and Scalar
Scalar only
All of the above
Vector graphics are computer-rendered visual art that follows a mathematical formula. Raster images are made up of thousands of tiny pixels, making them resolution-dependent and ideally suited for photo editing.
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rikazzz
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OS Distributed Communication
The child process completes execution, but the parent keeps executing, then the child process is known as __________
Orphan
Zombie
Body
Dead
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Computer Science Fundamentals
Which of the following is an efficient method of cache updating?
Snoopy writes
Write through
Write within
Buffered write
Snoopy writes is the efficient method for updating the cache. In this case, the cache controller snoops or monitors the operations of other bus masters.
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rikazzz
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OS Processes
If all processes I/O bound, the ready queue will almost always be ______ and the Short term Scheduler will have a ______ to do.
full, little
full, lot
empty, little
empty, lot
If all processes are I/O bound, the ready queue will almost empty and the short-term scheduler will have a little to do. I/O bound processes spend more time doing I/O than computation.
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rikazzz
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Computer Science Fundamentals
Which unit is responsible for converting the data received from the user into a computer understandable format?
Memory Unit
Arithmetic & Logic Unit
Input Unit
Output Unit
The Input Unit converts the data, which the user enters into a language which the computer understands, i.e. it converts the data into binary format. The Output Unit is responsible for giving the results in user-understandable format. The Storage Unit is responsible for storing the data after immediate results of processing whereas; the ALU is responsible for various arithmetic and bitwise operations.
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rikazzz
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Computer Science Fundamentals
ALU is the place where the actual executions of instructions take place during the processing operation.
True
False
ALU is a combinational electronic circuit which basically performs all the logical or the bitwise operations and the arithmetic operations. Therefore, it is the place where the actual executions of instructions take place.
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rikazzz
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OS File Systems and Their Implementation
In the world wide web, a ____ is needed to gain access to the remote files, and separate operations are used to transfer files.
laptop
plugin
browser
player
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rikazzz
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OS Mass-Storage Structures
In the ______ algorithm, the disk arm starts at one end of the disk and moves toward the other end, servicing requests till the other end of the disk. At the other end, the direction is reversed and servicing continues.
LOOK
SCAN
C-SCAN
C-LOOK
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rikazzz
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OS Multimedia Systems
For a computer to deliver continuous media it must guarantee the specific rate and timing requirements, also known as ___________
deadline
quality of service
period
burst time
Author:
rikazzz
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OS Protection
The pattern that can be used to identify a virus is known as _____________
stealth
virus signature
armoured
multipartite
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