Which of the following is not true for a magnetic disk? A) It is expensive relative to magnetic tape B) It provides only sequential access to stored data C) Users can easily update records by writing over the old data D) All of above

1 Answer

Answer :

Answer : B

Related questions

Description : Which of the following is not true for a magnetic disk? a. It is expensive relative to magnetic tape b. It provides only sequential access to stored data c. Users can easily update records by writing over the old data d. All of above

Last Answer : It provides only sequential access to stored data

Description : Which of the following is not true for a magnetic disk? a. It is expensive relative to magnetic tape b. It provides only sequential access to stored data c. Users can easily update records by writing over the old data d. All of above

Last Answer : b. It provides only sequential access to stored data

Description : Magnetic disk a medium known as 1) Serial access 2) Direct access 3) Sequential access 4) Sequential and rotational access

Last Answer : 2) Direct access

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

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

Description : The Method of file organisation in which data records in a file are arranged in a specified order according to a key field is known as the1 Direct access method 2) Queuing method 3) Predetermined method 4) Sequential method

Last Answer : 4) Sequential method

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 : a. Magnetic core 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 : d. Magnetic bubble memory

Description : Which access method is used to access cassette tape? A) Direct B) Sequential C) Both of the above D) None of the above

Last Answer : Answer : B

Description : The number of records contained within a block of data on magnetic tape is defined by the A) Block definition B) Record contain clause C) Blocking factor D) Record per block

Last Answer : Answer : C

Description : Direct access of file is also known as (1) random access (2) relative access (3) file access (4) sequential access

Last Answer : random access

Description : Magnetic disks are the most popular medium for A) Direct access B) Sequential access C) Both of above D) None of above

Last Answer : Answer : C

Description : Magnetic disks are the most popular medium for A) Direct access B) Sequential access C) Both of above D) None of above

Last Answer : Answer : D

Description : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? A) Track number B) Sector number C) Surface number D) All of above

Last Answer : Answer : D

Description : Which digital data tape encoding method presets the magnetic tape to all zeros and then records digital ones onto the tape?

Last Answer : Return-to-bias (RB) encoding.

Description : The number of records contained within a block of data on magnetic tape is defined by the a. Block definition b. Record contain clause c. Blocking factor d. Record per block factor

Last Answer : c. Blocking factor

Description : Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of the above

Last Answer : Answer : D

Description : Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of above

Last Answer : Answer : D

Description : Which among the following is a folder: a) Floppy Disk b) Magnetic Drum c) Magnetic Tape d) DVD e) None of The Above

Last Answer : e) None of The Above

Description : Which one of the following a file? 1) Floppy disk 2) Magnetic drum 3) magnetic tape 4) None of these

Last Answer : 4) None of these

Description : ________ is the ability of a device to ‘jump’ directly to the requested data A. Sequential access B. Random access C. Quick access D. None of the Above

Last Answer : B. Random access

Description : Which of the Following is not true of immediate processing: a) It is often used in real time applications b) It can be used in an airline reservation system c) It can occur with either sequential or direct access files d) None of The Above

Last Answer : c) It can occur with either sequential or direct access files

Description : Magnetic disks are the most popular medium for a. Direct access b. Sequential access c. Both of above d. None of above

Last Answer : Both of above

Description : Magnetic disks are the most popular medium for a. Direct access b. Sequential access c. Both of above d. None of above

Last Answer : c. Both of above

Description : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? a. Track number b. Sector number c. Surface number d. All of above

Last Answer : Track number

Description : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? a. Track number b. Sector number c. Surface number d. All of above

Last Answer : d. All of above

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Last Answer : d. All of above

Description : Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

Last Answer : C) a repository of data

Description : Which device is used to backup the data? A) Floppy Disk B) Tape C) Network Drive D) All of the above

Last Answer : Answer : D

Description : What characteristics of Read Only memory ROM, makes it useful? 1) ROM information can be easily updated. 2) ROM provides very large amounts of inexpensive Data storage. 3) Data in ... remains there even without electrical power 4) ROM chips are easily Swapped between different brands of computers

Last Answer : 3) Data in ROM is Nonvolatile, that is , it remains there even without electrical power

Description : The primary advantage of key-to-tape data entry system is A) A large percentage of editing can be performed at the time of data entry B) Key verification is easily performed C) The tape is reusable D) Keying errors can be detected as they occur.

Last Answer : Answer : C

Description : Which is not true for primary storage: a) Information must be transferred to primary storage b) It is relatively more expensive c) It allows very fast access to data d) It is part of processor e) None of The Above

Last Answer : d) It is part of processor

Description : A CD-RW disk- 1) Has a faster access than an internal disk 2) Is a form of optical disk, so it can only be written once 3) Holds less data than a floppy disk 4) Can be erased and rewritten

Last Answer : 4) Can be erased and rewritten

Description : Difference between hard disk and magnetic tape?

Last Answer : magnetic tapes are cheaper

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

Last Answer : Ans: A

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Last Answer : None of above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Last Answer : d. None of the above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Last Answer : d. None of above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Last Answer : d. None of the above

Description : The ability to find an individual item in a file immediately _____ is used. 1) File allocation table 2) Directory 3) Sequential access 4) Direct access 4 5) None of these

Last Answer : Answer :1

Description : The two basic types of record access methods are: A) Sequential and random B) Sequential and indexed C) Direct and immediate D) Online and real time

Last Answer : Answer : A

Description : Memories in which any location can be reached in a fixed amount of time after specifying its address is called ________ A. Sequential Access Memory B. Random Access Memory C. Quick Access Memory D. Mass storage

Last Answer : B. Random Access Memory

Description : The ability to find an individual item in a file immediately _____ is used: a) file allocation table b) directory c) sequential access d) direct access e) None of The Above

Last Answer : a) file allocation table

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Last Answer : a) Direct Access Storage Devices

Description : The simultaneous execution of two or more instructions is called- 1) Sequential Access 2) Reduced Instruction set computing 3) Multiprocessing 4) None of these

Last Answer : 3) Multiprocessing

Description : Separate Read/Write heads are required in which of these memory access schemes. 1) Random Access 2) Sequential Access 3) Direct Access 4) None of these

Last Answer : 4) None of these

Description : Separate Read/Write heads are required in which of these memory access schemes. 1 Random Access 2 Sequential Access 3 Direct Access 4 None of these

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Description : Sequential step hackers use are: _ _ _ _. A. Maintaining Access. B. Reconnaissance C. Scanning. D. Gaining Access.

Last Answer : A. Maintaining Access.

Description : After using a tape that was stored in an area where temperatures exceeded 130º F you notice pieces of oxide sticking to the recorder's tape-transport mechanism, to its magnetic heads, and onto the tape. What is the probable cause of these symptoms?

Last Answer : Oxide shedding. At temperatures above 130º F, oxide coating becomes soft and sheds.