Homework Answers
C. This statement is correct. Magnetic tape is cheaper than removable storage, usually for keeping data backed up. This is less important for the data that needs to be accessed at all times, as it is the access access medium, respectively. You will have to go back and forth through the tape to find the exact data you need.
A. This statement is incorrect. Direct-access storage device is known as a secondary storage device. The key that appears to have a separate location for the physical record and a unique address.
B. This statement is incorrect. Sequential memory A set of memory storage (SAM) data storage devices is in a computer, which reads data stored in a sequence. So this random memory looks in the opposite direction of memory memory. These can be accessed in any order in the data. D. This statement is incorrect Magnetic tape data storage is a system for storing digital data on magnetic tape using digital recording information.
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Magnetic tape is a form of O A. Direct access media. O B. Random access media....
Sequential access means O A All data items in the group must be read but the...
Sequential access means O A All data items in the group must be read but the groups do not need to read in order B. Any data item can be directly accessed without reading in sequence OC. All data items must be read in the order in which they were stored into the system D. All data items must be read in alphabetical/numerical order, but not necessarily the order in which they were placed into the system Magnetic tape is...
The three categories of Media Access discussed in the book are: 1) Random Access, Controlled Acess...
The three categories of Media Access discussed in the book are: 1) Random Access, Controlled Acess & Channelization 2) Random Access, Controlled Acess & Coordination 3) Random Access, Polling Acess & Channelization 4) Network Access, Controlled Acess & Channelization Save Question 26 (1 point) In pure Aloha, the sender expects the receiver to send 1) a CTS 2) an ACK 3) a RTS 4) None of the above Save Question 27 (1 point) In a station will send a frame...
Please help me with 4 questions in 2 pictures below. An i-nodes has contained 10 direct...
Please help me with 4 questions in 2 pictures
below.
An i-nodes has contained 10 direct addresses and 1 single in-directed addresses of 4 bytes each and all disk blocks are 1KB. What is the largest possible file? Select one: a. 466 KB b. 566 KB C. 266 KB d. 366 KB Which of these statements about the Linked List Allocation are true? Select one or more: a. Random access is extremely slow b. First word of each block is...
Please help me with 4 questions in 2 pictures below! An i-nodes has contained 10 direct...
Please help me with 4 questions in 2 pictures
below!
An i-nodes has contained 10 direct addresses and 1 single in-directed addresses of 4 bytes each and all disk blocks are 1KB. What is the largest possible file? Select one: a. 466 KB b. 566 KB C. 266 KB d. 366 KB Which of these statements about the Linked List Allocation are true? Select one or more: a. Random access is extremely slow b. First word of each block is...
Random access memory is _________________ . a. Persistent c. permanent b....
Random access memory is _________________ . a. Persistent c. permanent b. Volatile d. sequential 2. Which of the following is not permanent storage? a. RAM c. A USB drive b. a hard disk d. all of these 3. Which of the following is not a File class method? a. Create() c. Exists() b. Delete() ...
QUESTION 4 The learned ability to access, interpret, and evaluate media products is known as O...
QUESTION 4 The learned ability to access, interpret, and evaluate media products is known as O a. being nerdy Ob. media literacy c. media substitution O d. being a geek QUESTION 5 Which relational need includes enabling people to distinguish particular relationships from others through the shared use of technology and media? a. Promoting interaction b. Withdrawing from interactions C. Enacting and evaluating roles d. Differentiating relationships QUESTION 6 "Eating a healthy diet is the most important means to living...
A magnetic tape storing information in binary form has been corrupted, so it can only be...
A magnetic tape storing information in binary form has been corrupted, so it can only be read with bit errors. The probability that you correctly detect a 0 is 0.9, while the probability that you correctly detect a 1 is 0.85. Each digit is a 1 or a 0 with equal probability. Given that you read a 1, what is the probability that this is a correct reading?
3. A magnetic tape storing information in binary form has been corrupted, so it can only...
3. A magnetic tape storing information in binary form has been corrupted, so it can only be read with bit errors. The probability that you correctly detect a 0 is 0.9, while the probability that you correctly detect a 1 is 0.85. Each digit is a 1 or a 0 with equal probability. Given that you read a 1, what is the probability that this is a correct reading?
The I/O processor has a direct access to …………………..
The I/O processor has a direct access to …………………..
Flaws along a magnetic tape follow a Poisson distribution with a mean of 0.2 flaw per...
Flaws along a magnetic tape follow a Poisson distribution with a mean of 0.2 flaw per meter. Let X denote the distance between two successive flaws. (a) What is the mean of X? (b) What is the probability that there are no flaws in 10 consecutive meters of tape? (c) Does your answer to part (b) change is the 10 meters are not consecutive? (d) How many meters of tape need to be inspected so that the probability that at...
Sequential access means O A All data items in the group must be read but the groups do not need to read in order B. Any data item can be directly accessed without reading in sequence OC. All data items must be read in the order in which they were stored into the system D. All data items must be read in alphabetical/numerical order, but not necessarily the order in which they were placed into the system Magnetic tape is...
The three categories of Media Access discussed in the book are: 1) Random Access, Controlled Acess & Channelization 2) Random Access, Controlled Acess & Coordination 3) Random Access, Polling Acess & Channelization 4) Network Access, Controlled Acess & Channelization Save Question 26 (1 point) In pure Aloha, the sender expects the receiver to send 1) a CTS 2) an ACK 3) a RTS 4) None of the above Save Question 27 (1 point) In a station will send a frame...
Please help me with 4 questions in 2 pictures
below.
An i-nodes has contained 10 direct addresses and 1 single in-directed addresses of 4 bytes each and all disk blocks are 1KB. What is the largest possible file? Select one: a. 466 KB b. 566 KB C. 266 KB d. 366 KB Which of these statements about the Linked List Allocation are true? Select one or more: a. Random access is extremely slow b. First word of each block is...
Please help me with 4 questions in 2 pictures
below!
An i-nodes has contained 10 direct addresses and 1 single in-directed addresses of 4 bytes each and all disk blocks are 1KB. What is the largest possible file? Select one: a. 466 KB b. 566 KB C. 266 KB d. 366 KB Which of these statements about the Linked List Allocation are true? Select one or more: a. Random access is extremely slow b. First word of each block is...
QUESTION 4 The learned ability to access, interpret, and evaluate media products is known as O a. being nerdy Ob. media literacy c. media substitution O d. being a geek QUESTION 5 Which relational need includes enabling people to distinguish particular relationships from others through the shared use of technology and media? a. Promoting interaction b. Withdrawing from interactions C. Enacting and evaluating roles d. Differentiating relationships QUESTION 6 "Eating a healthy diet is the most important means to living...
A magnetic tape storing information in binary form has been corrupted, so it can only be read with bit errors. The probability that you correctly detect a 0 is 0.9, while the probability that you correctly detect a 1 is 0.85. Each digit is a 1 or a 0 with equal probability. Given that you read a 1, what is the probability that this is a correct reading?
3. A magnetic tape storing information in binary form has been corrupted, so it can only be read with bit errors. The probability that you correctly detect a 0 is 0.9, while the probability that you correctly detect a 1 is 0.85. Each digit is a 1 or a 0 with equal probability. Given that you read a 1, what is the probability that this is a correct reading?
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