ANSWERS|| LATEST UPDATE 2026
What common characteristics are shared by all RAID levels?
A. Set of physical disk drives viewed by the operating system as a single
logical drive
B. Data are distributed across the physical drives of an array in a scheme known
as striping
C. Redundant disk capacity is used to store parity information, which
guarantees data recoverability in case of a disk failure
D. All of the others - ANSWER-D
The solution to the problem of reliability is the introduction of ..........
A. Aging B. Scheduling C. Redundancy D. Disks - ANSWER-C
RAID splits file(s) into many segments, and sends the segments to several disks.
Files that have been segmented in this way are called: A. Striped File B. Striped
Data
C. Striped Array D. None of the others - ANSWER-B
Which of the following is the RAID level no redundant?
A. 0 B. 1
C. 2 D. 3 - ANSWER-A
Which of the following is the RAID level refers to memory-style ECC
organization?
,A. 1 B. 2 C. 3 D. 4 - ANSWER-B
Which of the following is the RAID level distributes parity and data across all
the disks?
A. 3 B. 4 C. 5 D. 6 - ANSWER-C
. RAID level 1+0 is used because RAID level 1 provides .......... whereas RAID
level 0 provides ..........
A. Performance, Redundancy
B. Performance, Reliability
C. Redundancy, Performance
D. Reliability, Performanc - ANSWER-D
.......... register keeps tracks of the instructions stored in program stored in
memory.
A. AR (Address Register)
B. XR (Index Register)
C. PC (Program Counter)
D. AC (Accumulator - ANSWER-C
An interface that provides a method for transferring binary information between
internal storage and external devices is called as ...
A. I/O interface
B. Input interface
C. Output interface
D. I/O bus - ANSWER-A
The fetch and execution cycles are interleaved with the help of ...
A. Modification in processor architecture
B. Clock
,C. Special unit
D. Control unit - ANSWER-B
Any computer must at least consist of:
A. Data bus B. Address bus C. Control bus D. All of the others - ANSWER-D
The main virtue <ưu điểm, tính hấp dẫn, ...> for using single bus structure is:
A. Fast data transfers
B. Cost effective connectivity and speed
C. Cost effective connectivity and ease of attaching peripheral devices
D. None of the others - ANSWER-C
10. To extend the connectivity of the processor bus we use ...
A. PCI bus B. SCSI bus C. Controllers D.Multiple bus - ANSWER-A
PCI stands for ...
A. Peripheral Component Interconnect
B. Peripheral Computer Interconnect
C. Peripheral Component In circuit
D. None of the others - ANSWER-A
Memory system of computers includes:
A. Cache, External Memory
B. External Memory, ROM
C. Optical Disk, Internal Memory
D. Internal Memory, External Memory - ANSWER-D
, . In an .......... system the user/programmer interacts directly with the computer,
usually through a keyboard/display terminal to request the execution of a job or
to perform a transaction.
A. Batch B. Multiprogramming
C. Interactive D. None of the others - ANSWER-C
Which of the following is NOT a function of operating system?
A. Resource Manager B. Storage Manager
C. Process Manager D. Software Manager - ANSWER-D
Long-term scheduling is:
A. The decision to add which programs to the system for processes
B. The decision to add to the number of processes that are partially or fully in
main memory
C. The decision as to which available process will be executed by the processor.
D. The decision as to which process's pending I/O request shall be handled by
an available I/O device. - ANSWER-A
Medium-term scheduling is:
A. The decision as to which process's pending I/O request shall be handled by
an available I/O device.
B. The decision as to which available process will be executed by the processor.
C. The decision to add to the number of processes that are partially or fully in
main memory
D. The decision to add which programs to the system for processes. -
ANSWER-C
Short-term scheduling is:
A. The decision to add which programs to the system for processes B. The
decision as to which available process will be executed by the processor.