COSC 2610 FINAL EXAM ACTUAL EXAM COMPLETE QUESTIONS
AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR
Q: Device management principles are changing rapidly to accommodate cloud
computing. T/F - ANSWER-False
Q: The Shortest Seek Time First device-scheduling algorithm moves the arm
methodically from the inner to the outer track, servicing every request in its path.
T/F - ANSWER-False
Q: The job of the I/O control unit is to keep up with the I/O requests from the CPU
and pass them down the line to the appropriate control unit. T/F - ANSWER-False
Q: Buffers are used to synchronize the movement of data between the relatively
slow I/O devices and the very fast CPU. T/F - ANSWER-True
Q: ____ peripheral devices are assigned to only one job at a time.
A. Dedicated
B. Shared
C. Virtual
D. Static - ANSWER-Dedicated
Q: The number of characters that can be recorded per inch on a magnetic tape is
determined by the ____ of the tape.
A. Width
B. Length
C. Density
D. Parity - ANSWER-Density
1
,Q: Of the three components of access time in a movable-head DASD, ____ is the
slowest.
A. seek time
B. search time
C. transfer time
D. delay time - ANSWER-seek time
Q: ____ uses the same underlying philosophy as shortest job next, where the
shortest jobs are processed first and longer jobs are made to wait.
A. LOOK
B. FCFS
C. SSTF
D. SCAN - ANSWER-SSTF
Q. On an optical disc, all sectors are ____.
A. of varying sizes depending upon where you are on the disc
B. larger as you move to the edge
C. smaller as you move to the edge
D. of the same size throughout the disc - ANSWER-of the same size throughout
the disc
Q: Nested RAID levels, also called hybrid levels, are complex RAID
configurations created by combining multiple standard levels. T/F - ANSWER-
True
Q: Parallel processing is a situation in which two or more processors operate in one
system at the same time and may or may not work on related activities. T/F -
ANSWER-True
2
,Q: The two operations that can be performed on a semaphore variable are select
and increment (P and V). T/F - ANSWER-False
Q: The ____ multiprocessing configuration is the most difficult to implement
because the processes must be well synchronized to avoid races and deadlocks.
A. master/slave
B. loosely coupled
C. symmetric
D. shared load - ANSWER-symmetric
Q: ____ semaphores are used in the producer and consumer problem.
A. One
B. Two
C. Three
D. Four - ANSWER-Three
Q: Most current operating systems support the implementation of threads, or ____,
which have become part of numerous application packages.
A. parallel processes
B. lightweight processes
C. heavyweight processes
D. semaphores - ANSWER-lightweight processes
Q. The computer system ____ a file by activating the appropriate secondary
storage device and loading the file into memory while updating its records of who
is using that file.
3
, A. creates
B. formats
C. allocates
D. configures - ANSWER-allocates
Q: Many computer users and some operating systems call subdirectories ____.
A. folders
B. files
C. volumes
D. databases - ANSWER-folders
Q: When data is stored in fixed length fields, data that extends beyond the fixed
size ____.
A. generates an operating system error
B. is truncated
C. is broken up and stored in more than one field
D. combines multiple fields to accommodate the data - ANSWER-is truncated
Q: In a direct record organization scheme, the program used to store the data
follows a set of instructions, called a ____ algorithm, that transforms each key into
a number, the record's logical address.
A. hashing
B. grouping
C. translation
D. lookup - ANSWER-hashing
4
AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR
Q: Device management principles are changing rapidly to accommodate cloud
computing. T/F - ANSWER-False
Q: The Shortest Seek Time First device-scheduling algorithm moves the arm
methodically from the inner to the outer track, servicing every request in its path.
T/F - ANSWER-False
Q: The job of the I/O control unit is to keep up with the I/O requests from the CPU
and pass them down the line to the appropriate control unit. T/F - ANSWER-False
Q: Buffers are used to synchronize the movement of data between the relatively
slow I/O devices and the very fast CPU. T/F - ANSWER-True
Q: ____ peripheral devices are assigned to only one job at a time.
A. Dedicated
B. Shared
C. Virtual
D. Static - ANSWER-Dedicated
Q: The number of characters that can be recorded per inch on a magnetic tape is
determined by the ____ of the tape.
A. Width
B. Length
C. Density
D. Parity - ANSWER-Density
1
,Q: Of the three components of access time in a movable-head DASD, ____ is the
slowest.
A. seek time
B. search time
C. transfer time
D. delay time - ANSWER-seek time
Q: ____ uses the same underlying philosophy as shortest job next, where the
shortest jobs are processed first and longer jobs are made to wait.
A. LOOK
B. FCFS
C. SSTF
D. SCAN - ANSWER-SSTF
Q. On an optical disc, all sectors are ____.
A. of varying sizes depending upon where you are on the disc
B. larger as you move to the edge
C. smaller as you move to the edge
D. of the same size throughout the disc - ANSWER-of the same size throughout
the disc
Q: Nested RAID levels, also called hybrid levels, are complex RAID
configurations created by combining multiple standard levels. T/F - ANSWER-
True
Q: Parallel processing is a situation in which two or more processors operate in one
system at the same time and may or may not work on related activities. T/F -
ANSWER-True
2
,Q: The two operations that can be performed on a semaphore variable are select
and increment (P and V). T/F - ANSWER-False
Q: The ____ multiprocessing configuration is the most difficult to implement
because the processes must be well synchronized to avoid races and deadlocks.
A. master/slave
B. loosely coupled
C. symmetric
D. shared load - ANSWER-symmetric
Q: ____ semaphores are used in the producer and consumer problem.
A. One
B. Two
C. Three
D. Four - ANSWER-Three
Q: Most current operating systems support the implementation of threads, or ____,
which have become part of numerous application packages.
A. parallel processes
B. lightweight processes
C. heavyweight processes
D. semaphores - ANSWER-lightweight processes
Q. The computer system ____ a file by activating the appropriate secondary
storage device and loading the file into memory while updating its records of who
is using that file.
3
, A. creates
B. formats
C. allocates
D. configures - ANSWER-allocates
Q: Many computer users and some operating systems call subdirectories ____.
A. folders
B. files
C. volumes
D. databases - ANSWER-folders
Q: When data is stored in fixed length fields, data that extends beyond the fixed
size ____.
A. generates an operating system error
B. is truncated
C. is broken up and stored in more than one field
D. combines multiple fields to accommodate the data - ANSWER-is truncated
Q: In a direct record organization scheme, the program used to store the data
follows a set of instructions, called a ____ algorithm, that transforms each key into
a number, the record's logical address.
A. hashing
B. grouping
C. translation
D. lookup - ANSWER-hashing
4
