Question: Free disk space can be kept track of using a free list or a bitmap. Disk addresses require D bits. For a disk with B

Free disk space can be kept track of using a free list or a bitmap. Disk addresses require D bits. For a disk with B blocks, F of which are free, state the condition under which the free list uses less space than the bitmap. For D having the value 16 bits, express your answer as a percentage of the disk space that must be free.

Step by Step Solution

★★★★★

3.40 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The bitmap requires B bits The free list requires DF b... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

761-C-S-D-B-O-S (382).docx

120 KBs Word File

Students Have Also Explored These Related Operating System Questions!

Consider a hierarchical file system in which free disk space is kept in a free space list. a. Suppose the pointer to free space is lost. Can the system reconstruct the free space list? b. Suggest a...

Consider the following bitmap technique for tracking free space in a file. For each block in the file, two bits are maintained in the bitmap. If the block is between 0 and 30 percent full the bits...

A distinction is made between physical records and logical records. A logical record is a collection of related data elements treated as a conceptual unit, independent of how or where the information...

Q16) (Managing Free Space) Free disk space can be kept track of using a free list or a bitmap. Disk addresses require D bits. For a disk with B blocks, F of which are free, state the condition under...

2 4 . Free disk space can be kept track of using a free list or a bitmap. Disk addresses require D bits. For a disk with B blocks, F of which are free, state the condition under which the free list...

Probably the most important issue in implementing file storage is keeping track of which disk blocks go with which file. Which of the statements below are true about the methods used for that? i the...

Making the file system work is one thing: making it work efficiently and robustly in real life is another thing. What are some of the issues involved in managing disks? i. Choosing the size - small...

I have to create a program in C and I can't figure it out. The program has to read a source file. Please help. /******************************************************************** PROJECT: Glossary...

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

1) In Figure 4-22 on page 303, (a) shows a 1KB disk block can hold 256 32-bit disk block numbers. If a disk block number uses 128 bits, how many disk block numbers can 1KB disk block hold? The first...

At $0.095 per kWh, what does it cost to leave a 25-W porch light on day and night for a year?

Cunningham Processing Company performs word-processing services for business clients and students in a university community. The work for business clients is fairly steady throughout the year. The...

The following data represent the electricity cost in dollars during the month of July for a random sample of 50 twobedroom apartments in a New Zealand city: 96 171 202 178 147 102 153...

c 2.7, x0 0.1 Logistic difference equation Illustrate the results of Example 4 for the logistic difference equation by cobwebbing and by graphing the first ten terms of the sequence for the given...

Give an example of a set of steps that conforms to the informal definition of an algorithm given in the opening paragraph of Section 5.1 but does not conform to the formal definition given in Figure...

Design an algorithm that, given two strings of characters, tests whether the first string appears as a substring somewhere in the second.

Consider the following MAILORDER relational schema describing the data for a mail order company. PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename,...

A regression analysis between the suicides by hanging, strangulation and suffocation vs Number of lawyers in North Carolina yields i shown below: 1. What is the correlation between suicides by...

One-Way ANOVA A researcher wants to know if the time of day that a test is taken affects critical thinking ability. Factor (IV) = Time of Day DV = correct answers on a critical thinking abilities...

Not sure how to complete these different journal entries . 11. Suppose your company has one employee that earns a salary of $6,100 per month and another employee that earned hourly wages that totaled...