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Operating System
1081
Computer Science Fundamentals
998
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Computer Science Fundamentals
If M denotes the number of memory locations and N denotes the word size, then an expression that denotes the storage capacity is ______________
M*N
M+N
2M+N
2M-N
Storage capacity is the product of a number of memory locations that is the number of words and the word size or the number of bits stored per location. Storage capacity should be as large as possible.
Author:
rikazzz
Comment
Computer Science Fundamentals
Terminals are represented by diagonals in a flowchart.
True
False
The statement is false. Terminals are represented by rounded rectangles. They indicate the starting or ending point in a flowchart.
Author:
rikazzz
Comment
OS CPU Scheduling
What is Response time?
the total time taken from the submission time till the completion time
the total time taken from the submission time till the first response is produced
the total time taken from submission time till the response is output
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
In this type of multiplexing time slots are preassigned to sources and fixed.
TDM
Synchronous TDM
Asynchronous TDM
FDM
TDM is time division multiplexing. Data rate of medium exceeds data rate of digital signal to be transmitted.
Author:
rikazzz
Comment
OS Mass-Storage Structures
A single parity bit can be used for ____________
detection
multiple error corrections
few error corrections
all of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
The process of division on memory spaces is called ______________
Paging
Segmentation
Bifurcation
Dynamic Division
The memory space is divided into segments of dynamic size. The programmer is aware of the segmentation and can reallocate the segments accordingly.
Author:
rikazzz
Comment
Computer Science Fundamentals
___________ Conducted at customers’ site.
Alpha Testing
Beta Testing
Unit testing
System testing
Beta testing is conducted at the customer’s site. Generally, developer is not present. Customer records all problems (defects) and reports it to developer.
Author:
rikazzz
Comment
Computer Science Fundamentals
The number of min terms for an expression comprising of 3 variables?
8
3
0
1
If any expression comprises of n variables, its corresponding min terms are given by 2n.
Author:
rikazzz
Comment
Computer Science Fundamentals
The process of maintaining a record of project development and maintenance.
Process documentation
Product documentation
User documentation
System documentation
It is called as process documentation only. It contains the plans, schedules, etc. It also contains the gantt chart.
Author:
rikazzz
Comment
OS Process Synchronization
A terminated transaction that has completed its execution successfully is ____________ otherwise it is __________
committed, destroyed
aborted, destroyed
committed, aborted
none of the mentioned
Author:
rikazzz
Comment
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