Match the following in RAID scheme : A- Parallel access array, B-Independent access array, 1- All member disks participate in the execution of every I/O request. 2- Each member disk participates separately in the execution of every I/O request. 3- Here spindles of the individual drives are synchronized so that each disk head is in the same position on each disk at any given time.

Related MCQs

• RAID-O does not support the following characteristics: A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive. B: Data distributed across the physical drives of an array. C: Re- demdant disk capacity is used to store parity information, which guarantees data recoverability in case of a disk failure.
• In RAID (Redundant Array of Independent Disks) scheme, which of the following RAID level does not include redundancy to improve performance ?
• A-Fixed-Head disk, B-Movable-Head disk, 1- One head per track and al head are mounted on rigid arm that extends across all tracks. 2- Only one head and head is mounted on the arm, such that it can position the track.
• RAID (Redundant Array of Independent Disks) scheme consists of
• In RAID scheme, which of the RAID level does not use parity calculation in redundancy achievement
• Which combination of the following features will suffice to characterize an OS as a multi programmed OS ? (i) More than one program may be loaded into main memory at the same time for execution. (ii) If a program waits for certain events such as I/O, another program is immediately scheduled for execution. (iii) If the execution of a program terminates, another program is immediately scheduled for execution.
• Which of the following RAID level uses independent access technique and distributes the parity strips across all disks?
• The RAID (Redundant Array of Independent Disks) level one requires
• In uni-processor scheduling :A : Turnaround time, B : Response time, 1: A time interval between the submission of a process and its completion. 2: For interactive process, it is a time from the submission of a request until the response begins to received. 3: It includes actual execution time plus time spent waiting for resources.
• The following RAID level employer parallel access technique and single redundant disk