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Operating System
1081
Computer Science Fundamentals
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Computer Science Fundamentals
______________ architecture provides a high-level overview of the anticipated system architecture.
System
User
Test
Software
System architecture shows the description and distribution functions across system modules. Architectural components that are reused should be highlighted.
Author:
rikazzz
Comment
Computer Science Fundamentals
COW stands for?
Control over write
Convert over write
Count over write
Copy over write
COW stands for Copy over write. COW allows both parent and child processes to share the same pages initially.
Author:
rikazzz
Comment
Computer Science Fundamentals
The ________ directive instructs the assembler to begin memory allocation for a segment/block/code from the stated address.
GROUP
OFFSET
ORG
LABEL
When an ORG is written, the assembler starts the location counter to keep track of the module’s allotted address as specified in the directive.
Author:
rikazzz
Comment
Computer Science Fundamentals
____________ operate at bottom two layers of the OSI model.
Bridges
Switches
Models
Modules
Bridges operate at the bottom two layers of the OSI model. It connects networks that use the same communication protocols above data-link layer.
Author:
rikazzz
Comment
Computer Science Fundamentals
WANs that need to interconnect a very large number of sites.
bus
two-tiered
three-tiered
ring
Wide Area Networks that need to interconnect a very large number of sites, or are built using smaller routers that can support only a few serial connections, may find the two-tiered architecture insufficiently scalable.
Author:
rikazzz
Comment
Computer Science Fundamentals
The process of forming a new class from an existing class.
Abstraction
Polymorphism
Inheritance
Implementation
The answer is inheritance. The base class is the parent class and the new class is called the child class.
Author:
rikazzz
Comment
Computer Science Fundamentals
1 yottabyte = ______________
1024 TB
1024 EB
1024 ZB
1024 PB
1 yottabyte is equal to 1024 ZB, which stands for zettabyte. Further, 1 ZB=1024 EB (exabyte) and and 1 EB=1024PB (petabyte).
Author:
rikazzz
Comment
Computer Science Fundamentals
The rate at which the problem size need to be increased to maintain efficiency.
Isoeffciency
Efficiency
Scalabilty
Effectiveness
Isoefficiency is the rate at which the problem size need to be increased to maintain efficiency.
Author:
rikazzz
Comment
Computer Science Fundamentals
They normally interact with the system via user interface provided by the application software.
Programmers
Developers
Users
Testers
Users interact with the system via user interface that is given by the application software. Application software is a set of instructions designed to serve a particular purpose.
Author:
rikazzz
Comment
Computer Science Fundamentals
A statement used to close the IF block.
ELSE
ELSEIF
END
ENDIF
The answer is ENDIF. It is used to close the IF block. ENDIF statement should be in line with the IF statement.
Author:
rikazzz
Comment
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