
CompTIA A+ Certification Quiz Enhanced 7
Authored by Pat Johnson
Computers
Professional Development
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51 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of system RAM in a computer?
To provide persistent storage when the computer is turned off
To load applications and files
To handle the graphics and user interface
To cool down the system components
Answer explanation
To load applications and files
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of memory is faster and used for SSDs as compared to traditional HDDs?
System RAM
Flash memory
Virtual memory
External storage
Answer explanation
Flash memory is faster and used for SSDs compared to traditional HDDs due to its non-volatile nature and faster read/write speeds.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when there is not enough system RAM available for applications?
The system shuts down automatically
The CPU's speed is increased to compensate
Virtual memory is used to extend memory space
The applications fail to load
Answer explanation
When there is not enough system RAM available for applications, virtual memory is used to extend memory space, allowing the applications to continue running by utilizing disk space as additional memory.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is virtual memory also referred to as?
Swap file or swap space
Backup storage
Additional RAM
Secondary cache
Answer explanation
Virtual memory is also referred to as swap file or swap space, allowing the system to use disk space as an extension of RAM when needed.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does excessive use of paging in virtual memory slow down the computer?
Because it increases the CPU temperature
Because disk transfer rates are slower than RAM transfer rates
Because it uses more electricity
Because it reduces the lifespan of the HDD
Answer explanation
Because disk transfer rates are slower than RAM transfer rates
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of virtual memory in a computer system?
To increase the physical size of the RAM
To serve as a temporary storage for the CPU
To supplement RAM and protect the operation and integrity of the PC
To speed up the processing power of the CPU
Answer explanation
To supplement RAM and protect the operation and integrity of the PC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How wide is the data bus in a single channel memory controller configuration typically?
32 bits
64 bits
128 bits
256 bits
Answer explanation
In a single channel memory controller configuration, the data bus is typically 64 bits wide, allowing for faster data transfer rates.
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