Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Chapter: 32
Q741:
The average latency to desired data is halfway around the disk, calculated as _______.
A. 1/(20,000/60)
B. 0.5/(20,000/60)
C. 60/20,000
D. 20,000/60
Correct Answer:
B
Chapter: 32
Q742:
What is the typical transfer rate for hard disks as defined by manufacturers?
A. 10-20 MB/sec
B. 30-60 MB/sec
C. 50-100 MB/sec
D. 60-120 MB/sec
Correct Answer:
B
Chapter: 32
Q743:
A hard disk with 5 platters has how many total sectors if there are 512 sectors per track and 1024 tracks per platter?
A. 1 GB
B. 2 GB
C. 5 GB
D. 0.2 GB
Correct Answer:
D
Chapter: 32
Q744:
How many platters are required for a 40GB disk if there are 1024 bytes/sector, 2048 sectors per track, and 4096 tracks per platter?
A. 2
B. 5
C. 10
D. 8
Correct Answer:
B
Chapter: 32
Q745:
What is the average time to read 64 KB on a 180 GB disk with specified parameters?
A. 11.3 ms
B. 15.2 ms
C. 8.5 ms
D. 10.5 ms
Correct Answer:
A
Chapter: 32
Q746:
Flash memory consists of how many MOSFET transistors in each cell?
A. One
B. Two
C. Three
D. Four
Correct Answer:
B
Chapter: 32
Q747:
The time for one revolution of a disk rotating at 3000 rpm is _______.
A. 60 ms
B. 20 ms
C. 10 ms
D. 30 ms
Correct Answer:
B
Chapter: 32
Q748:
What is the main advantage of using flash memory in embedded systems over hard disks?
A. Higher storage capacity
B. Lower power consumption
C. Higher durability
D. Faster read times
Correct Answer:
B
Chapter: 32
Q749:
What does the term 'overhead time' refer to in the context of hard disks?
A. Time taken to transfer data
B. Time taken by the controller
C. Time taken to seek a track
D. Time taken to read a sector
Correct Answer:
B
Chapter: 33
Q750:
What is the main function of the operating system interface in disk operation?
A. To define logical blocks
B. To manage memory
C. To connect hardware
D. To encrypt data
Correct Answer:
A
Chapter: 33
Q751:
The parity bit is used to ensure the total number of ______ is even or odd.
A. 0's
B. 1's
C. bits
D. bytes
Correct Answer:
B
Chapter: 33
Q752:
The automatic request for repeat is used in _______.
A. Error detection
B. Data storage
C. Memory management
D. Disk formatting
Correct Answer:
A
Chapter: 33
Q753:
Hamming code adds ______ redundant bits for error detection and correction.
A. One
B. Two
C. Three
D. Four
Correct Answer:
A
Chapter: 33
Q754:
Which of the following is NOT a scheme commonly used for error control?
A. Parity code
B. Hamming code
C. RAID Level 0
D. CRC mechanism
Correct Answer:
C
Chapter: 33
Q755:
The distance between two code words in error control is defined as:
A. The number of bits that are the same
B. The total length of the codes
C. The number of bits that differ
D. The number of bytes in each code
Correct Answer:
C
Chapter: 33
Q756:
RAID Level 0 improves performance by:
A. Including redundancy
B. Distributing data across disks
C. Adding extra drives
D. Using a single disk
Correct Answer:
B
Chapter: 33
Q757:
Which RAID level does not include redundancy to improve performance?
A. RAID Level 0
B. RAID Level 1
C. RAID Level 2
D. RAID Level 3
Correct Answer:
A
Chapter: 33
Q758:
The concept of ______ is to reconstruct and find out which particular bits are in error.
A. Error detection
B. Error correction
C. Data redundancy
D. Data integrity
Correct Answer:
B
Chapter: 33
Q759:
In RAID 3, a simple ______ bit is computed for the set of individual bits.
A. Parity
B. Data
C. Error
D. Control
Correct Answer:
A
Chapter: 33
Q760:
The main advantage of having an array of disks is that it allows for ______ I/O requests.
A. Sequential
B. Simultaneous
C. Delayed
D. Single
Correct Answer:
B