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 :

b. It provides only sequential access to stored data

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 : Answer : B

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 : 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 : 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 : d. All 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 : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access

Last Answer : b. Serial access

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

Last Answer : c. The tape is reusable

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 two basic types of record-access methods are a. Sequential and random b. Sequential and indexed c. Direct and immediate d. On-line and real time

Last Answer : a. Sequential and random

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 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 : 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 data recording format in most of the modern magnetic tape is a. 7-bit ASCII b. 7-bit EBCDIC c. 8-bit ASCII d. 8-bit EBCDIC

Last Answer : d. 8-bit EBCDIC

Description : Which most popular input device is used today for interactive processing and for the one line entry of data for batch processing? a. Mouse b. Magnetic disk c. Visual display terminal d. Card punch

Last Answer : a. Mouse

Description : Reading data is performed in magnetic disk by a. Read/write leads b. Sectors c. Track d. Lower surface

Last Answer : a. Read/write leads

Description : Dot-matrix is a type of a. Tape e. Printer f. Disk g. Bus

Last Answer : e. Printer

Description : The disk drive component used to position read/write heads over a specific track I known as a. Acoustic couples b. Access arm c. Cluster d. All of the above

Last Answer : b. Access arm

Description : Which of the following memory medium is not used as main memory system? a. Magnetic core b. Semiconductor c. Magnetic tape d. Both a and b

Last Answer : c. Magnetic tape

Description : Magnetic tape can serve as a. Secondary storage media b. Output media c. Input media d. All of the above

Last Answer : d. All of the above

Description : perforated paper used as input of output media is known as a. paper tapes b. magnetic tape c. punched papers tape d. card punch

Last Answer : a. paper tapes

Description : An output device that uses words or messages recorded on a magnetic medium to produce audio response is b. Magnetic tape c. Voice response unit d. Voice recognition unit e. Voice band

Last Answer : d. Voice recognition unit

Description : What is the number of read-write heads in the drive for a 9-trac magnetic tape? a. 9 b. 16 c. 18 d. 27

Last Answer : a. 9

Description : Which statement is valid about magnetic tape? a. It is a plastic ribbon b. It is coated on both sides with iron oxide c. It can be erased and reused d. All of above

Last Answer : a. It is a plastic ribbon

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 : A disk storage medium in the form of an assembly containing a single rigid magnetic disk permanently is a. Fixed disk b. Disk cartridge c. Card punch d. Card reader

Last Answer : b. Disk cartridge

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 : b. Registers

Description : Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Last Answer : a. Magnetic metallic oxide

Description : Storage capacity of magnetic disk depends on a. tracks per inch of surface b. bits per inch of tracks c. disk pack in disk surface d. All of above

Last Answer : d. All of above

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 : 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 : 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 : 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 : d. Compact Disk Read Only Memory

Description : The two kinds of main memory are: a. Primary and secondary b. Random and sequential c. ROM and RAM d. All of above

Last Answer : c. ROM and RAM

Description : An application suitable for sequential processing is a. Processing of grades b. Payroll processing c. Both a and b d. All of above

Last Answer : c. Both a and b

Description : Which of the following file organization is most efficient for a file with a high degree of file activity? a. Sequential b. ISAM c. VSAM d. B-Tree Index

Last Answer : a. Sequential

Description : A characteristic of card systems is: a. Slowness in processing data b. Using cards as records of transactions c. Needing a larger DP staff d. All of the above

Last Answer : d. All of the above

Description : Which of the following memories has the shortest access times? a. Cache memory b. Magnetic bubble memory c. Magnetic core memory d. RAM

Last Answer : a. Cache memory

Description : The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.A.control busB.control instructionsC. address decoder D.CPU

Last Answer : C. address decoder

Description : Which of the following is true? a. Fields are composed of bytes b. Records are composed of fields c. Fields are composed of characters d. All of above

Last Answer : d. All 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 : 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 : 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 : Where does a computer add and compare data? a. Hard disk b. Floppy disk c. CPU chip d. Memory chip

Last Answer : c. CPU chip

Description : Before a disk can be used to store data. It must be……. a. Formatted b. Reformatted c. Addressed d. None of the above

Last Answer : a. Formatted

Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer

Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter