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Operating System
1081
Computer Science Fundamentals
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Computer Science Fundamentals
Numbers used in packed decimal format can be used for _____________ operations.
logical
relational
arithmetic
bitwise
The packed numbers can be used for arithmetic operations. The packed numbers also require the lesser number of bytes as compared to zoned numbers.
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Computer Science Fundamentals
The result of X+X.Y is X.
True
False
This is a boolean expression. It can be evaluated as :
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rikazzz
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Computer Science Fundamentals
What does MBR stand for?
Main Buffer Register
Memory Buffer Routine
Main Buffer Routine
Memory Buffer Register
A memory buffer register (MBR) or memory data register (MDR) is the register in a computer’s CPU that stores the data being transferred to and from the immediate access storage.
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rikazzz
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Computer Science Fundamentals
Software Package is a group of programs that solve multiple problems.
True
False
The statement is false. The software package is a group of programs that solve a specific problem or perform a specific type of job.
Author:
rikazzz
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Computer Science Fundamentals
An expression for the calculation of cyclomatic complexity.
V(G) = E – N + 2
V(G) = E + N + 2
V(G) = E – N – 2
V(G) = E + N – 2
The option V(G) = E – N + 2 denotes the correct expression. Here, E is the number of flow graph edges. N is the number of flow graph nodes.
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rikazzz
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Computer Science Fundamentals
A term that defines the direction of flow of information between devices.
interconnectivity
intra connectivity
transmission mode
transmission
The term transmission mode defines the direction of flow of information between two communication devices. It tells the direction of signal flow.
Author:
rikazzz
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Computer Science Fundamentals
A ____________ is a circuit with only one output but can have multiple inputs.
Logic gate
Truth table
Binary circuit
Boolean circuit
A logic gate is used to evaluate a Boolean expression.
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rikazzz
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Computer Science Fundamentals
A term for simultaneous access to a resource, physical or logical.
Multiprogramming
Multitasking
Threads
Concurrency
Concurrency is the term used for the same. When several things are accessed simultaneously, the job is said to be concurrent.
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rikazzz
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Computer Science Fundamentals
Components that provide internal storage to the CPU are ______
Registers
Program Counters
Controllers
Internal chips
The Registers are the fast storage units. They are responsible for storing intermediate computational results in the CPU. The registers can be user accessible or inaccessible.
Author:
rikazzz
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Computer Science Fundamentals
Which of the following is designed to control the operations of a computer?
Application Software
System Software
Utility Software
User
Software is basically classified into two: System and application. System Software is designed to control the operations and extend the processing capability of a computer system.
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rikazzz
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