
Pre Test - Pre finals
Authored by Riggs Manuel Sacdalan
Computers
12th Grade

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of memory management in an operating system?
To manage CPU usage
To manage primary memory and process allocation
To control hardware input and output
To manage system security
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of address is used in source code before memory allocation?
Physical address
Relative address
Symbolic address
Secondary address
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a "frame" in memory management?
A variable-length block of secondary memory
A fixed-length block of main memory
A temporary storage in cache memory
A process queue in the operating system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes "swapping"?
Moving processes within the CPU to optimize performance
Temporarily moving a process from main to secondary memory
Creating additional memory through virtual memory
Removing inactive processes permanently
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of fragmentation occurs due to fixed-size memory blocks?
Logical fragmentation
External fragmentation
Internal fragmentation
Swapping fragmentation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In dynamic partitioning, which placement algorithm chooses the first block large enough for a process?
Best-fit
First-fit
Last-fit
Next-fit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of virtual memory?
It allows multitasking by giving processes their private address space
It creates permanent storage for processes
It reduces CPU usage significantly
It eliminates all types of fragmentation
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