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 : Access arm
Last Answer : b. Access arm
Description : In the actuator arm assembly of a hard disk drive transport, what device can position the magnetic heads to the correct track of a hard disk more accurately than a dc stepper motor?
Last Answer : Voice coil servo.
Description : the storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of a. Cylinder b. Hum c. Cluster d. Surface
Last Answer : d. Surface
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 : The head arm assembly of a floppy disk drive transport has how many read heads and how many write heads?
Last Answer : Two read heads and two write heads.
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 : A group of magnetic tapes, videos or terminals usually under the control of one master is a. Cylinder b. Surface c. Track d. Cluster
Last Answer : d. Cluster
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 : ............. is the time required to move the disk arm to the required track. A) Seek time B) Rotational delay C) Latency time D) Access time
Last Answer : A) Seek time
Description : What part of a floppy disk drive transport uses a dc stepper motor to position the magnetic heads over the recording surface of a floppy disk?
Last Answer : Actuator arm assembly.
Description : Most of the inexpensive personal computer does not have any disk or diskette drive. What is the name of such computes? a. Home computers b. Diskless computers c. Dedicated computer d. General computer
Last Answer : a. Home computers
Description : D-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
Last Answer : Surface
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
Last Answer : Track number
Description : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is (a) 1 GB (b) 100 MB (c) 10 MB (d) 10 GB
Last Answer : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is 1 GB
Description : What is the latest write-once optical storage media? a. Digital paper b. Magneto-optical disk c. WORM disk d. CD-ROM disk
Last Answer : d. CD-ROM disk
Description : In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations ... to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.
Last Answer : It can be replicated form its alternative locations to other live machines.
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
Last Answer : 4 None of these
Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : d. Address register
Description : Any method for controlling access to or use of memory is known a. Memory map b. Memory protection c. Memory management d. Memory instruction
Last Answer : b. Memory protection
Description : Reading data is performed in magnetic disk by A) Read/write leads B) Sectors C) Track D) Lower surface
Last Answer : Answer : A
Description : Reading data is performed in magnetic disk by a. Read/write leads b. Sectors c. Track d. Lower surface
Last Answer : Read/write leads
Last Answer : a. Read/write leads
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
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory address register b. Memory data register c. Instruction register d. Program counter
Last Answer : d. Program counter
Description : A floppy disk contains a. Circular tracks only b. Sectors only c. Both circular tracks and sectors d. All of the above
Last Answer : c. Both circular tracks and sectors
Description : Which of the following is a secondary memory device? a. Keyboard b. Disk c. ALU d. All of the above
Last Answer : b. Disk
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 part of the computer is used for calculating and comparing? a. Disk unit b. Control unit c. ALU d. Modem
Last Answer : c. ALU
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 : Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above
Last Answer : d. All of the above
Description : Which is an item of storage medium in the form of circular plate? a. Disk b. CPU c. Printer d. ALU
Last Answer : a. Disk
Last Answer : d. ALU
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 : 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 : The metal disks, which are permanently housed in, sealed and contamination free containers are called a. Hard disks b. Floppy disk c. Winchester disk d. Flexible disk
Last Answer : c. Winchester disk
Description : Dot-matrix is a type of a. Tape e. Printer f. Disk g. Bus
Last Answer : e. Printer
Description : The most important advantage of a video disk is a. Compactness b. Potential capacity c. Durability
Last Answer : b. Potential capacity
Description : The system unit of a personal computer typically contains all of the following except: a. Microprocessor b. Disk controller c. Serial interface d. Modem
Last Answer : d. Modem
Description : IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from ... country which contributed the video display? a. India b. China c. Germany d. Taiwan
Last Answer : d. Taiwan
Description : The capacity of 3.5 inch floppy disk is a. 1.40 MB b. 1.44 GB c. 1.40 GB d. 1.44 MB
Last Answer : d. 1.44 MB
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