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Operating System
1081
Computer Science Fundamentals
998
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OS Mass-Storage Structures
If the mean time to failure of a single disk is 100,000 hours, then the mean time to failure of some disk in an array of 100 disks will be ____________
100 hours
10 days
10 hours
1000 hours
Author:
rikazzz
Comment
Computer Science Fundamentals
Forms that do not require any programming.
vector form
hanDbase forms
pendragon forms
html forms
The answer is hanDbase forms. The handBase forms do not require any programming. Pendragon forms can be used for a variety of applications like inventory for golf course.
Author:
rikazzz
Comment
Computer Science Fundamentals
Which of the following is not a type of cloud?
Private
Public
Protected
Hybrid
There is no protected cloud. There are three types of cloud-private, public and hybrid.
Author:
rikazzz
Comment
Computer Science Fundamentals
Records are treated as a unit.
True
False
The statement is true. Records are a collection of related fields. They are treated as a unit.
Author:
rikazzz
Comment
OS The Linux System
The model in which one user-level thread is mapped to many kernel level threads is called ___________
Many to One model
One to Many model
Many to Many model
One to One model
Author:
rikazzz
Comment
Computer Science Fundamentals
When data required for instruction is present inside the register of a microprocessor then which of the following addressing mode is used?
Indexed
Register
Relative
Direct
Register addressing mode is used when data is present inside the register of the microprocessor. For example, MOV B, C. Here, B and C are the registers of the microprocessor.
Author:
rikazzz
Comment
OS Mass-Storage Structures
In UNIX, two per process ________ are used by the kernel to track swap space use.
process tables
swap maps
memory maps
partition maps
Author:
rikazzz
Comment
Computer Science Fundamentals
Public domain software is usually:
System supported
Source supported
Community supported
Programmer supported
The public domain software is generally community supported. It is community supported as author does not support users directly.
Author:
rikazzz
Comment
OS Process Synchronization
Concurrent access to shared data may result in ____________
data consistency
data insecurity
data inconsistency
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
The boolean expression of an OR gate is _______
A.B
A’B+AB’
A+B
A’B’
An OR gate gives the result as 1 if any one of the inputs is one.
Author:
rikazzz
Comment
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