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Operating System
1081
Computer Science Fundamentals
998
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OS File Systems and Their Implementation
Many systems recognize three classifications of users in connection with each file (to condense the access control list).
Owner
Group
Universe
All of the mentioned
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OS Mass-Storage Structures
The heads of the magnetic disk are attached to a _____ that moves all the heads as a unit.
spindle
disk arm
track
none of the mentioned
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Computer Science Fundamentals
Which of the following is not a flowchart structure?
Process
Sequence
Repetition
Case
There are basically four flowcharting structures:
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Computer Science Fundamentals
What is the word length of the Pentium-II microprocessor?
8-bit
32-bit
64-bit
16-bit
The Pentium-II microprocessor is a 64-bit microprocessor. It was introduced in 1997 and designed with 7.5 million transistors. Its word length is 64-bit.
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Computer Science Fundamentals
A ______________is an application that allows the user to compose and edit simple documents.
Word processor
Spreadsheet
Email utility
Browsers
A word processor software is an application that allows the user to compose and edit all simple documents.
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rikazzz
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Computer Science Fundamentals
What is the word length of an 8-bit microprocessor?
8-bits – 64 bits
4-bits – 32 bits
8-bits – 16 bits
8-bits – 32 bits
At a time, an 8-bit CPU can process 8 bits of data. Depending on the type of microcomputer, the word length might range from 4 to 64 bits.
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rikazzz
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Computer Science Fundamentals
SCM stands for __________
Software configuration monitoring
System configuration management
Software configuration management
System configuration monitoring
Software configuration management (SCM), also called change management, is a set of activities designed to manage change by identifying the work products that are likely to change.
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OS Distributed Communication
Which one of the following is a synchronization tool?
thread
pipe
semaphore
socket
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Computer Science Fundamentals
The expression for involution law is _________
x+y=y+x
x+1=1
(x’)’=x
x.x=x
The involution law states that the complement of complement of a number is the number itself. The third option justifies the statement. Thus, (x’)’=x.
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rikazzz
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OS CPU Scheduling
What is ‘Aging’?
keeping track of cache contents
keeping track of what pages are currently residing in memory
keeping track of how many times a given page is referenced
increasing the priority of jobs to ensure termination in a finite time
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rikazzz
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