Consider the bitmap representation of the free-space map, where for eachblock in the file, two bits are maintained in the bitmap. If the block is between0 and 30 percent full the bits are 00, between 30 and 60 percent the bits are01, between 60 and 90 percent the bits are 10, and above 90 percent the bitsare 11. Such bitmaps can be kept in memory even for quite large files. Describe how to keep the bitmap up to date on record insertions and deletions.

Q: 6. Given that main memory is composed of four-page frames for public use and that a program requests…

A: Here, we are  going to tell the value of all 4 page frames using FIFO, LRU and LFU.

Q: In the AES Project, you should change the secret key of the AES by a dynamic key generated by RC4…

A: Creating and managing keys is an essential a part of the cryptographic manner. Symmetric algorithms…

Q: Consider an input image of shape 500x500x3. The image is flattened and a fully connected layer with…

A: Answer is given below-

Q: For a positive integer n, a 4-block binary string consisting of n blocks is a binary string with 4n…

A: The solution for the above given question is given below:

Q: Consider the bitmap representation of the free-space map, where for eachblock in the file, two bits…

A: The two benefits of using 2 bits for a block instead one byte: Less space is wasted. Fragmentation…

Q: IQ2 ]: The following data streams ( 100010010101101, 110110111101100 , 101101111011011,…

A: As per our guidelines we are suppose to answer only first three question. Post the remaining…

Q: hms: a. Optimal page replacement b. FIFO page replacement c. LRU page replacement In each cases…

A: First-In-First-Out (FIFO) Replacement ---->   0 4 7 3 2 3 0 1 7 7…

Q: Suppose you have two columns, [Text1] and [Text2], in a MS Access table, how do you enforcethat only…

A: Validation rule to have value in one column:[Text1] and [Text2] are the two columns in a MS access…

Q: RCS adopts a reverse delta approach for storing multiple versions of a file. For example, assume a…

A:

Q: Suppose that you have a UNIX file system where the disk block size is 4096 bytes. Disk addresses and…

A:

Q: 1. We studied stream ciphers and block ciphers in Cryptography. We also discussed some examples of…

A: Given Data is CRYPTOGRAPHY

Q: With the LRU page replacement policy, and enough space for storing 3 page frames, the memory page…

A: Given String : A,B,C,A,B,D,D,C,A,B,C,D Number of Frames : 3

Q: 6. Consider sending over HTTP a Web page that consists of one video clip, and five images. Suppose…

A:

Q: noisy communication channel (there is high probability of more than one device speak at the same…

A: Which approach, from your point of view, is efficient and why - If we have:  noisy communication…

Q: Consider a UNIX-like file system implemented with i-nodes that resides on a disk of size 512GB. Each…

A: Introduction :Given ,A UNIX like file system,disk size = 512 GB .Number of blocks = 15 Block size =…

Q: Consider the following page reference string for a 12-page executable.…

A: Total frames: 4 Algorithm: FIFO Reference string length: 24 references String: 011 3 4 10 5 22 10 6…

Q: given the chunk codes, what will be printed on screen? intx=5; x= x+6; x++; print("%d", x);

A: intx=5; x= x+6; x++; print("%d", x); Is the piece of code given.

Q: Consider the bitmap form of the free-space map, in which two bits are kept in the bitmap for each…

A: Intro Consider the bitmap form of the free-space map, in which two bits are kept in the bitmap for…

Q: A pyramid of size n is formed as follows: First, the base of the pyramid consists of n numbers,…

A: required: create a python program to make a pyramid from the given list and print the top value. all…

Q: In the variable-length record representation, a null bitmap is used to indicate if an attribute has…

A: a. It doesn't matter what is held in the fields of length and offset as we use a null bitmap to…

Q: ISON and CSV are both text-based formats for the storage of data. It's possible to open either one…

A: A CSV file takes less memory than Json because of following:

Q: Consider the reference string: 0,6,5,1,4,5,0,5,3,6,5,5,2,3,2  Use the algorithms below with 3…

A: Given reference string : 0,6,5,1,4,5,0,5,3,6,5,5,2,3,2 Frames : 3 fill the table below for each…

Q: An existence bitmap has a bit for each record position, with the bit set to 1if the record exists,…

A: The existence bitmap for a relation can be calculated by taking the union logical or of all the…

Q: Consider a DASH structure that includes N video versions (N different rates and quality) and N…

A: Answer :   N*N =N2 files needed by the server to store.Here files are created so that audio is mixed…

Q: Suppose you have an input volume of dimension nH x nW x nC. Which of the following statement(s) is…

A: Input value of dimension nH*nW* nC is option B i.e. You can use a pooling layer to reduce nH, nW but…

Q: To show that an attribute has no value, a null bitmap is used in the variable-length record format.…

A: The term "variable length" describes anything whose length may be altered. There are several…

Q: In the variable-length record representation, a null bitmap is used to indicateif an attribute has…

A: Modification of records: It should be able to locate the null bitmap and the offset and length…

Q: Implement c/c++ to evaluate round robin algorithm with i/o burst.I want my code to able to read csv.…

A: on the off chance that (rem_bt[i] > 0)             {                 done = bogus;//There is a…

Q: Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive currently serving a…

A: Here in this question we have given some disk request and we have asked to find total distance (in…

Q: 10.5 Consider the page table for a system with 12-bit virtual and physical addresses and 256-byte…

A: Dear Student, As we know that virtual pages consist of page number of 4bits and remaining 8bits of…

Q: For Heap File with a page directory, assume that a page can contain up to 100 directory entries and…

A: Given Statement: In this question firstly we will find out what is already given in our question.…

Q: Suppose we have the following page access stream: 50120304230 for a system with four frames which…

A:

Q: Consider the bitmap representation of the free-space map, where for eachblock in the file, two bits…

A: Bitmap representation: A bitmap representation is a collection of matrices of dots. Each dots…

Q: Simple FEC is a forward error correction scheme for recovering from packet los in a VolP…

A: Answer is given below .

Q: 3. A max pool layer receives an input of dimension [Hin × Win × Cin × m]. Assume that the Hin, Win,…

A: Answer given below

Q: Using the simplified RC4 Algorithm of 8 bytes (rather than the full 256 bytes), find the final…

A: The Answer is in Below Steps

Q: Suppose that the virtual page reference stream contains repetitions of long sequences of page…

A: (a) Why will the standard replacement algorithms (LRU, FIFO, clock) not be effective in handling…

Q: Consider a file with a secondary dense index structure on a non-ordering key field where 120,000…

A: Block size: Block size can refer to: Block(data storage), the size of a block in data storage and…

Q: write a sender and receiver side bit stuffing program in which a frame is to be simulated with…

A: Bit-stuffing: Each frame begins and ends with a special bit pattern called a flag. To avoid such…

Q: By encapsulati of a datagrams. essage becomes the payload of a segment whiche s a payload of a frame…

A: The correct answer is 'True".

Q: Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is currently serving a…

A:

Q: (b) “Dirty bit is used to reduce the overhead of page transfer". State whether the given statement…

A: Yes, the following statement is true as the dirty bit can be used to reduce the overhead of the page…

Q: Consider a file system that uses indexed allocation with a maximum of one index node per file.…

A: Solution::   The first thing you need to decide/figure out is the size of an index (2 bytes or 4…

Q: Consider the following page reference string   1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1,…

A: LRU replacement: we are given with following data LRU frame 1 consider the least recently used…

Q: Stored on a disk. Suppose that we have an ordered file of 30,000 reconds with block size. 1024…

A: Here we have to find the average number of blocks to search for a record with and without index. It…

Q: 3. A max pool layer receives an input of dimension [Hin × Win × Cin × m]. Assume that the Hin, Win,…

A:

Q: Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is currently serving a…

A:

Q: i Consider sending a 2000-byte datagram into a link with a MTU of 980 bytes. Suppose the original…

A: Find:-  fragments =?        fragment size=? idetification no.=? fragment offset=? fragment flag=?

Q: 3. Consider the following page reference string: 2, 4, 5, 6, 4, 3, 7, 8, 4, 3, 4, 5, 9, 8, 5, 4, 3,…

A: For a new page, the existing page which is least recently used makes a way. 2 4 5 6 4 3 7 8 4 3 4…