Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More

Question

Download Solution PDF

Comprehension

Comprehension: Questions concern a disk with a sector size of 512 bytes, 2000 tracks per surface, 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds.

What is the capacity of the disk, in bytes ?

This question was previously asked in
UGC NET Computer Science (Paper 2) 2020 Official Paper
Download PDF Attempt Online
View all UGC NET Papers >
  1. 25,000 K
  2. 500,000 K
  3. 250,000 K
  4. 50,000 K

Answer (Detailed Solution Below)

Option 2 : 500,000 K
Free Tests
View all Free tests >
Free
UGC NET Paper 1: Held on 21st August 2024 Shift 1
10.8 K Users
50 Questions 100 Marks 60 Mins
Start Now

Detailed Solution

Download Solution PDF

 The correct answer is option 2.

Key Points

capacity of the disk = bytes/sector x sector/track x track/surface x surface/disk=512 x 50 x 2000 x 5 x 2

=500000K Bytes/disk

∴ Hence the correct answer is 500,000 K.

Download Solution PDF
Latest UGC NET Updates

Last updated on Jun 12, 2025

-> The UGC NET June 2025 exam will be conducted from 25th to 29th June 2025.

-> The UGC-NET exam takes place for 85 subjects, to determine the eligibility for 'Junior Research Fellowship’ and ‘Assistant Professor’ posts, as well as for PhD. admissions.

-> The exam is conducted bi-annually - in June and December cycles.

-> The exam comprises two papers - Paper I and Paper II. Paper I consists of 50 questions and Paper II consists of 100 questions. 

-> The candidates who are preparing for the exam can check the UGC NET Previous Year Papers and UGC NET Test Series to boost their preparations.

More Secondary Memory Questions

Q1.A swap space can reside in
Q2.Why are the bubble memories are preferable to floppy disks?
Q3.Which of the following can be said about primary storage in comparison with secondary storage?
Q4.What is the difference between a CD­ROM and a CD­RW?
Q5.Which of the following storage devices directly interacts with the CPU?
Q6.Consider a hard disk with 16 recording surfaces (0-15) having 16384 cylinders (0-16383) and each cylinder contains 64 sectors (0-63). Data storage capacity in each sector is 512 bytes. Data are organized cylinder-wise and the addressing format is <cylinder no., surface no., sector no.>. A file of size 42797 KB is stored in the disk and the starting disk location of the file is <1200, 9, 40>. What is the cylinder number of the last sector of the file, if it is stored in a contiguous manner?
Q7.If the disk platters rotate at 5400 rpm (revolutions per minute), then approximately what is the maximum rotational delay ?
Q8.What is the capacity of the disk, in bytes ?
Q9.If T is the capacity of a track in bytes, and S is the capacity of each surface in byte, then (T, S) = _____.
Q10.Given below are two statements: Statement I: The disk has a total number of 2000 cylinders. Statement II: 51200 bytes is not a valid block size for the disk. In the light of the above statements, choose the correct answer from the options given below:

More Memory Management Questions

Q1.More than one word is put in one cache block to : 
Q2.Arrange the following in the increasing order with respect to access time. A. Solid State Drive B. Optical Disks C. DRAMs D. SRAMS E. Registers Choose the correct answer from the options given below:
Q3.What is Cache memory?
Q4.Which of the following is used in main memory?
Q5.Cache memory acts as a buffer between-
Q6.Indexed/grouped allocation is useful as : (A) It supports both sequential and direct access. (B) Entire block is available for data. (C) It does not require lots of space for keeping pointers. (D) No external fragmentation. Choose the correct answer from the options given below:
Q7.Which of the following(s) are main memory? (A) Virtual memory (B) Cache memory (C) RAM (D) SSD Choose the correct answer from the options given below:
Q8.An Address in main memory is called : 
Q9.Which is the most expensive memory?
Crack CUET PG with
India's Super Teachers
Explore Supercoaching For FREE
Suggested Exams
Exam-Logo
UGC NET

UGC NET Important Links

More Computer Organization and Architecture Questions

Q1.Which of the following statement(s) is/are correct? Statement A : ALU can perform both arithmetic and logical operations. Statement B : CPU is used to process, display and store data or information.
Q2.The addressing mode/s, which uses the PC instead of a general-purpose register is : 
Q3.A microprogrammed control unit : 
Q4.Consider the following sequence of micro operations : MBR ← PC MAR ← X PC ← Y MEMORY ← MBR Which one of the following is possible operation performed by this sequence ?
Q5.In the case of, Zero-address instruction method the operands are stored in __________.
Q6.A demultiplexer is used to :
Q7.More than one word is put in one cache block to : 
Q8.Which method bypasses the CPU for certain types of data transfer operation ?
Q9.If the virtual memory size is 32 MB and a physical memory size is 4MB with a page size of 2KB, Calculate the number of frames available in physical memory
Q10.Which of the following is the correct sequence with regard to service routine? A. Save contents of processor registers B. Turn the interrupt facility on C. Service the device whose flag is set D. Check which flag is set E. Restore contents of processor registers Choose the correct answer from the options given below:
Super Coaching
UGC NET Test Series
UGC NET Previous Year Papers
UGC NET Syllabus
UGC NET Books
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti master game teen patti app teen patti joy official teen patti flush teen patti gold new version