COSC Final Exam Study Guide
1.
You can download a version of Linux from the Internet for free.
A.
True
B.
False
Correct Answer
A. True
Explanation
Linux is an open-source operating system, which means it is freely available for anyone to
download and use. There are various distributions of Linux that can be downloaded from the
internet for free, such as Ubuntu, Fedora, and Debian. These distributions offer different
features and cater to different user preferences. Therefore, it is true that a version of Linux can
be downloaded from the internet for free.
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2.
,Which is TRUE about mainframe computer
A.
They perform complex calculations rapidly.
B.
They support hundreds of users simultaneously
C.
They execute many programs at a first pace.
D.
They excel at running a few programs quickly.
Correct Answer
B. They support hundreds of users simultaneously
Explanation
Mainframe computers are designed to support multiple users simultaneously. They have the
capability to handle a large number of users and provide them with access to resources and
applications concurrently. This is one of the key features of mainframe computers that sets
them apart from other types of computers. They are specifically built to handle high-volume
and high-performance computing tasks, making them ideal for large organizations and
industries where multiple users need to access the system concurrently.
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, 3.
When virtual memory is in use, the condition of excessive paging is referred to asthrashing
A.
True
B.
False
Correct Answer
A. True
Explanation
When virtual memory is in use, excessive paging occurs when the system spends a significant
amount of time constantly swapping pages between the RAM and the disk. This constant
swapping leads to a decrease in overall system performance, as the CPU is occupied with
managing the paging instead of executing actual tasks. This condition is known as thrashing.
Therefore, the given statement is true.
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4.
The __________ language consists of just two digits: 0 and 1
A.
base 10
1.
You can download a version of Linux from the Internet for free.
A.
True
B.
False
Correct Answer
A. True
Explanation
Linux is an open-source operating system, which means it is freely available for anyone to
download and use. There are various distributions of Linux that can be downloaded from the
internet for free, such as Ubuntu, Fedora, and Debian. These distributions offer different
features and cater to different user preferences. Therefore, it is true that a version of Linux can
be downloaded from the internet for free.
Rate this question:
2.
,Which is TRUE about mainframe computer
A.
They perform complex calculations rapidly.
B.
They support hundreds of users simultaneously
C.
They execute many programs at a first pace.
D.
They excel at running a few programs quickly.
Correct Answer
B. They support hundreds of users simultaneously
Explanation
Mainframe computers are designed to support multiple users simultaneously. They have the
capability to handle a large number of users and provide them with access to resources and
applications concurrently. This is one of the key features of mainframe computers that sets
them apart from other types of computers. They are specifically built to handle high-volume
and high-performance computing tasks, making them ideal for large organizations and
industries where multiple users need to access the system concurrently.
Rate this question:
, 3.
When virtual memory is in use, the condition of excessive paging is referred to asthrashing
A.
True
B.
False
Correct Answer
A. True
Explanation
When virtual memory is in use, excessive paging occurs when the system spends a significant
amount of time constantly swapping pages between the RAM and the disk. This constant
swapping leads to a decrease in overall system performance, as the CPU is occupied with
managing the paging instead of executing actual tasks. This condition is known as thrashing.
Therefore, the given statement is true.
Rate this question:
4.
The __________ language consists of just two digits: 0 and 1
A.
base 10
