What is the difference between Scan disk memory cards and the others?

What is the difference between Scan disk memory cards and the others?
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Answer :

Sandisk memory cards are functionally equivalent to all other similiar memory cards, it just is branded.
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Which of the following statements is not true about disk-arm scheduling algorithms ? (A) SSTF (shortest seek time first) algorithm increases performance of FCFS. (B) The number of requests for disk service are not influenced by file allocation method. (C) Caching the directories and index blocks in main memory can also help in reducing disk arm movements. (D) SCAN and C-SCAN algorithms are less likely to have a starvation problem.

Description : Which of the following statements is not true about disk-arm scheduling algorithms ? (A) SSTF (shortest seek time first) algorithm increases performance of FCFS. (B) The number of requests for disk ... arm movements. (D) SCAN and C-SCAN algorithms are less likely to have a starvation problem.

Last Answer : (B) The number of requests for disk service are not influenced by file allocation method.

Why do some memory cards cost six and seven times as much as others of the same capacity?

Description : Why do some memory cards cost six and seven times as much as others of the same capacity?

Last Answer : Different brands and models of memory cards have different reputations, use different materials, and have different definition (SD v. SDHD), that is why memory cards of the same capacity have varying prices.

Are some brands of memory cards better than others?

Description : Are some brands of memory cards better than others?

Last Answer : Most memory cards are the same, its most important to make sure that you have the right type of memory card.

Do certain manufacturer's make better quality memory cards than others?

Description : Do certain manufacturer's make better quality memory cards than others?

Last Answer : Samsung memory cards seem to work better than the generic brands, but they do cost about twice as much.

What is the use of Scan Disk ?

Description : What is the use of Scan Disk ?

Last Answer : Below is the use of scandisk - 1. Hard disk speed is increased by applying the Scan Disk command . 2. Fixes any dirt , bad sectors, etc. inside the hard disk. 3. Hard disk does not feel any sound.

............. policy selects the disk I/O request that requires the least movement of the disk arm from its current position. A) FSCAN B) SSTF C) SCAN D) C-SCAN

Description : ............. policy selects the disk I/O request that requires the least movement of the disk arm from its current position. A) FSCAN B) SSTF C) SCAN D) C-SCAN

Last Answer : B) SSTF

Consider a disk queue with request for input/output to block on cylinders 98, 183, 37, 122, 14, 124, 65, 67 in that order. Assume that disk head is initially positioned at cylinder 53 and moving towards cylinder number 0. The total number of head movements using Shortest Seek Time First (SSTF) and SCAN algorithms are respectively (A) 236 and 252 cylinders (B) 640 and 236 cylinders (C) 235 and 640 cylinders (D) 235 and 252 cylinders

Description : Consider a disk queue with request for input/output to block on cylinders  98, 183, 37, 122, 14, 124, 65, 67  in that order. Assume that disk head is initially positioned at cylinder 53 and moving ... and 252 cylinders (B) 640 and 236 cylinders (C) 235 and 640 cylinders (D) 235 and 252 cylinders

Last Answer : Answer: 236 and 208 cylinders Explanation: SSTF Initial head position =53 The closest queue to initial head position=65 head moves from 53 to 65=12 head moves from 65 to 67=2 head moves from 67 ... 122=24 head moves from 122 to 124=2 head moves from 124 to 183=59 Total head movement=208 

Consider a disk queue with I/O requests on the following cylinders in their arriving order: 6,10,12,54,97,73,128,15,44,110,34,45 The disk head is assumed to be at cylinder 23 and moving in the direction of decreasing number of cylinders. Total number of cylinders in the disk is 150. The disk head movement using SCAN-scheduling algorithm is: (1) 172 (2) 173 (3) 227 (4) 228

Description : Consider a disk queue with I/O requests on the following cylinders in their arriving order: 6,10,12,54,97,73,128,15,44,110,34,45 The disk head is assumed to be at cylinder 23 and moving in the direction ... . The disk head movement using SCAN-scheduling algorithm is: (1) 172 (2) 173 (3) 227 (4) 228

Last Answer : (2) 173

Are Some Credit Cards more beneficial to your credit score then others?

Description : Are Some Credit Cards more beneficial to your credit score then others?

Last Answer : answer:Credit Scores are not based on who issued the card, its based on some of the following factors 1) Your Balance in relation to your credit limit, 2) Payment History (e.g. 30 Days past Due, ... ; Student Loans, Car Loans, Mortgage Loans, etc all get factored into your credit score. Good Luck! R

I purchased a dvr on ebay to expand with directv, the remote is not working on this unit but it works on the others in my house. Do you do repair work If you do when can I bring it in and do you have access cards for DirecTV?

Description : I purchased a dvr on ebay to expand with directv, the remote is not working on this unit but it works on the others in my house. Do you do repair work If you do when can I bring it in and do you have access cards for DirecTV?

Last Answer : Generaly speaking there is no repair needed some remotes just will not work with older or newer machines.

What type of early computer memory is this disk?

Description : What type of early computer memory is this disk?

Last Answer : It’s a hard disk. Furniture size.

An operating system manages (a) memory (b) processor (c) disk and I/O devices (d) All of these -Technology

Description : An operating system manages (a) memory (b) processor (c) disk and I/O devices (d) All of these -Technology

Last Answer : (d) An operating system manages disk and I/O devices as it is responsible for input from keyboard, mouse etc. It also manages the computer memory, so that each process can run most effectively.

is it possible to expand the memory of the xbox 360 with the usual hard disk?

Description : are they going to play any free games over the internet on xbox?

Last Answer : Need Answer

Am I looking to buy only San Disk Memory Card reader since all my memory sticks are San Disk?

Description : Am I looking to buy only San Disk Memory Card reader since all my memory sticks are San Disk?

Last Answer : Yes San Disk Memory reader will work absolutely flawlessly with the San Disk Memory sticks.

In my task manager tab my Disk and Memory usage tends to be high what parts should I upgrade to fix this I have a basic motherboard might that be the problem?

Description : In my task manager tab my Disk and Memory usage tends to be high what parts should I upgrade to fix this I have a basic motherboard might that be the problem?

Last Answer : It might not be just a hardware issue. First - see what programs are running in the background - and stop any that are unnecessary. Once that's sorted - look at increasing your hardware's capabilities. The main ... 10 - with an 'emulator' to make it look like Windows 8 (I liked the Win 8 interface).

Virtual memory is 1) Memory on the hard disk that the CPU uses as an extended RAM 2) RAM 3) Only necessary if you do not have any RAM in your computer 4) A back up device for floppy disks 5) None of these

Description : Virtual memory is 1) Memory on the hard disk that the CPU uses as an extended RAM 2) RAM 3) Only necessary if you do not have any RAM in your computer 4) A back up device for floppy disks 5) None of these

Last Answer : Answer :2

The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Last Answer : Answer : B

What does the disk drive of a computer do? A) Rotate the disk B) Read the disk C) Load a program from the disk into the memory D) Both b and c

Description : What does the disk drive of a computer do? A) Rotate the disk B) Read the disk C) Load a program from the disk into the memory D) Both b and c

Last Answer : Answer : D

CD-ROM stands for A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Description : CD-ROM stands for A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Last Answer : Answer : D

The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as A) Magnetic core memory B) Magnetic tape memory C) Magnetic disk memory D) Magnetic bubble memory

Description : The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as A) Magnetic core memory B) Magnetic tape memory C) Magnetic disk memory D) Magnetic bubble memory

Last Answer : Answer : D

One of the popular mass storage device is CD ROM. What does CD ROM stand for? A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Description : One of the popular mass storage device is CD ROM. What does CD ROM stand for? A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Last Answer : Answer : D

Which of the following is a secondary memory device? A) Keyboard B) Disk C) ALU D) All of the above

Description : Which of the following is a secondary memory device? A) Keyboard B) Disk C) ALU D) All of the above

Last Answer : Answer : B

Which of the following is a read only memory storage device? A) Floppy Disk B) CD-ROM C) Hard Disk D) None of these

Description : Which of the following is a read only memory storage device? A) Floppy Disk B) CD-ROM C) Hard Disk D) None of these

Last Answer : Answer : B

Which of the following is not a magnetic memory: a) Flip-flop b) Tape c) Drum d) Disk

Description : Which of the following is not a magnetic memory: a) Flip-flop b) Tape c) Drum d) Disk

Last Answer : Ans: A

____________ refer to renewing or changing components like increasing the main memory, or hard disk capacities, or adding speakers, or modems, etc. a) Grades b) Prosody c) Synthesis d) Upgrades

Description : ____________ refer to renewing or changing components like increasing the main memory, or hard disk capacities, or adding speakers, or modems, etc. a) Grades b) Prosody c) Synthesis d) Upgrades

Last Answer : Answer: d Explanation: Upgrades is the right term to be used. Upgrades are installed to renew or implement a new feature. Except for upgrades, hardware is normally one-time expense

The instructions for starting the computer are house on ________ A. Hard Disk B. CD-ROM C. Read Only Memory chip D. All of the above

Description : The instructions for starting the computer are house on ________ A. Hard Disk B. CD-ROM C. Read Only Memory chip D. All of the above

Last Answer : C. Read Only Memory chip

Technique of using disk space to make programs believe that the system contains more Random Access Memory(RAM) than is actually available is called ______ A. Random Access Memory B. Primary Memory C. Secondary Memory D. Virtual Memory

Description : Technique of using disk space to make programs believe that the system contains more Random Access Memory(RAM) than is actually available is called ______ A. Random Access Memory B. Primary Memory C. Secondary Memory D. Virtual Memory

Last Answer : D. Virtual Memory

___________ is a very high speed memory placed in between RAM and CPU. A. Magnetic disk B. Magnetic drum C. Virtual memory D. Cache memory

Description : ___________ is a very high speed memory placed in between RAM and CPU. A. Magnetic disk B. Magnetic drum C. Virtual memory D. Cache memory

Last Answer : D. Cache memory

The magnetic storage chips used to provide non-volatile direct access storage of data and that have no moving parts are known as________ A. Magnetic core memory B. Magnetic tape memory C. Magnetic disk memory D. Magnetic bubble memory

Description : The magnetic storage chips used to provide non-volatile direct access storage of data and that have no moving parts are known as________ A. Magnetic core memory B. Magnetic tape memory C. Magnetic disk memory D. Magnetic bubble memory

Last Answer : D. Magnetic bubble memory

Which of the following memory is capable of operating at electronics speed? A. Magnetic disk B. Magnetic drum C. Semiconductor memory D. None of the Above

Description : Which of the following memory is capable of operating at electronics speed? A. Magnetic disk B. Magnetic drum C. Semiconductor memory D. None of the Above

Last Answer : C. Semiconductor memory

Which of the following is an example of optical disk? A. Magnetic disk B. Memory disk C. Digital Versatile Disk D. None of the Above

Description : Which of the following is an example of optical disk? A. Magnetic disk B. Memory disk C. Digital Versatile Disk D. None of the Above

Last Answer : C. Digital Versatile Disk

_____________is a feature of an operating system that allows a computer to compensate for shortages of physical memory by temporarily transferring pages of data from RAM to disk storage. A. Flash memory B. Virtual memory C. Buffer D. None of the Above

Description : _____________is a feature of an operating system that allows a computer to compensate for shortages of physical memory by temporarily transferring pages of data from RAM to disk storage. A. Flash memory B. Virtual memory C. Buffer D. None of the Above

Last Answer : B. Virtual memory

The hardware feature of LISP machines generally includes _____________ a) Large memory and high-speed processorb) Letter quality printers and eight-inch disk drives c) A mouse and specialized keyboard d) A mouse and specialized keyboard, Letter quality printers and eight-inch disk drives

Description : The hardware feature of LISP machines generally includes _____________ a) Large memory and high-speed processorb) Letter quality printers and eight-inch disk drives c) A mouse and specialized keyboard d) A mouse and specialized keyboard, Letter quality printers and eight-inch disk drives

Last Answer : d) A mouse and specialized keyboard, Letter quality printers and eight-inch disk drives

The hardware features of LISP machines generally include __________ a) large memory and a high-speed processor b) letter-quality printers and 8-inch disk drives c) a mouse and a specialized keyboard d) large memory and a high-speed processor & a mouse and a specialized keyboard

Description : The hardware features of LISP machines generally include __________ a) large memory and a high-speed processor b) letter-quality printers and 8-inch disk drives c) a mouse and a specialized keyboard d) large memory and a high-speed processor & a mouse and a specialized keyboard

Last Answer : d) large memory and a high-speed processor & a mouse and a specialized keyboard

of the primary memory of the computer is limited. a. Storage capacity b. Magnetic disk c. Both d. None of these

Description : of the primary memory of the computer is limited. a. Storage capacity b. Magnetic disk c. Both d. None of these

Last Answer : a. Storage capacity

What does the disk drive of a computer do? a. Rotate the disk b. Read the disk c. Load a program from the disk into the memory d. Both b and c

Description : What does the disk drive of a computer do? a. Rotate the disk b. Read the disk c. Load a program from the disk into the memory d. Both b and c

Last Answer : Both b and c

Which of the following is a secondary memory device? a. Keyboard b. Disk c. ALU d. All of the above

Description : Which of the following is a secondary memory device? a. Keyboard b. Disk c. ALU d. All of the above

Last Answer : Disk

CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory

Description : CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory

Last Answer : Compact Disk Read Only Memory

CD-ROM stand for a) Compactable Read Only Memory b) Compact Data Read Only Memory c) Compactable Disk Read Only Memory d) Compact Disk Read Only Memory

Description : CD-ROM stand for a) Compactable Read Only Memory b) Compact Data Read Only Memory c) Compactable Disk Read Only Memory d) Compact Disk Read Only Memory

Last Answer : d) Compact Disk Read Only Memory

Sending afile from your personal computer's primary memory or disk to another computer is calledA.uploadingB.downloadingC.logging onD.hang onE.None of the above

Description : Sending afile from your personal computer's primary memory or disk to another computer is called A. uploading B. downloading C. logging on D. hang on E. None of the above

Last Answer : uploading

Which among the following is correct regarding the Boot Sector Viruses: a) These viruses are resides in the boot sector of a floppy or hard disk. b) Such viruses are activated every time a computer boots from an infected disk c) Virus remains in memory until an uninfected floppy disk is inserted into the floppy drive d) All of the Above e) None of These

Description : Which among the following is correct regarding the Boot Sector Viruses: a) These viruses are resides in the boot sector of a floppy or hard disk. b) Such viruses are activated every time a computer ... uninfected floppy disk is inserted into the floppy drive d) All of the Above e) None of These

Last Answer : d) All of the Above

When your turn on the computer, the boot routine will perform this test: a) Power on Self Test b) Disk Drive Test c) Memory Test d) None of These

Description : When your turn on the computer, the boot routine will perform this test: a) Power on Self Test b) Disk Drive Test c) Memory Test d) None of These

Last Answer : a) Power on Self Test

Where does a computer add and compare data: a) Floppy Disk b) CPU Chip c) Memory Chip d) None of The Above

Description : Where does a computer add and compare data: a) Floppy Disk b) CPU Chip c) Memory Chip d) None of The Above

Last Answer : b) CPU Chip

When your turn on the computer, the boot routine will perform this test a) RAM test b) disk drive test c) memory test d) power on self test e) None of these

Description : When your turn on the computer, the boot routine will perform this test a) RAM test b) disk drive test c) memory test d) power on self test e) None of these

Last Answer : d) power on self test

When you turn on the computer, the boot routine will perform this test ..... 1) RAM test 2) disk drive test 3) memory test 4) power-on self-test

Description : When you turn on the computer, the boot routine will perform this test ..... 1) RAM test 2) disk drive test 3) memory test 4) power-on self-test

Last Answer : 2) disk drive test

Which of the following is the storage area whit in the computer itself which Holds data only Temporarily as the computer processes instructions? 1) The Hard Disk 2) Main Memory 3) The Control unit 4) Read Only Memory

Description : Which of the following is the storage area whit in the computer itself which Holds data only Temporarily as the computer processes instructions? 1) The Hard Disk 2) Main Memory 3) The Control unit 4) Read Only Memory

Last Answer : 4) Read Only Memory

Which of the following is a read only memory storage device. 1) Floppy Disk 2) Hard Disk 3) CDROM 4) None of these

Description : Which of the following is a read only memory storage device. 1) Floppy Disk 2) Hard Disk 3) CDROM 4) None of these

Last Answer : 3) CDROM

Which of the following is an example of an optical disk? 1) Magnetic disks 2) Memory disks 3) Data bus disks 4) Digital versatile disks

Description : Which of the following is an example of an optical disk? 1) Magnetic disks 2) Memory disks 3) Data bus disks 4) Digital versatile disks

Last Answer : 4) Digital versatile disks

Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) The files in the cache can be text files, or they can be archive files like zip and JAR files. c) Disk I/O is avoided because data in the cache is stored in memory. d) The Hadoop framework will copy the files in the Distributed Cache on to the slave node before any tasks for the job are executed on that node.

Description : Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) ... Cache on to the slave node before any tasks for the job are executed on that node.

Last Answer : MapReduce tries to place the data and the compute as close as possible

Which of the following is a read only memory storage device. 1 Floppy Disk 2 Hard Disk 3 CDROM 4 None of these

Description : Which of the following is a read only memory storage device. 1 Floppy Disk 2 Hard Disk 3 CDROM 4 None of these

Last Answer : 3 CDROM