Description : Which of the following is not a magnetic memory: a) Flip-flop b) Tape c) Drum d) Disk
Last Answer : Ans: A
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
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
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 : Tracks on each channel of a magnetic drum are grouped into what?
Last Answer : Sectors.
Description : In what way do magnetic lines of force differ from electrostatic lines of force?
Last Answer : Electrostatic lines of force do not form closed loops
Description : What can exposure to a magnetic field do to the data on a disk?
Last Answer : Destroy some or all of it.
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 : 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 : How is the disadvantage of the Gramme-ring armature overcome in the drum-wound armature?
Last Answer : By winding the armature in a way that places the entire coil where it is exposed to maximum flux.
Description : Why are drum-type armatures preferred over the Gramme ring armature in modern dc generators?
Last Answer : Drum-type armatures are more efficient, because flux lines are cut by both sides of each coil.
Description : First generation computers used for memory A) vacuum tubes B) silicon chips C) magnetic drum D) RAM
Last Answer : Answer : C
Description : Which of the following is used as a primary storage device? A) Magnetic drum B) Hard Disks C) Floppy D) All of above
Last Answer : Answer : A
Description : In laser printers, printing is achieved by deflecting laser beam on to __________ surface of a drum. A. Magnetic B. Electric C. Photosensitive D. None of the Above
Last Answer : C. Photosensitive
Description : First Generation computers used ______ for Circuitry and ________ for memory (A) Transistor and Magnetic Core (B) IC and Magnetic Memory (C) Vacuum tubes and Magnetic drum (D) IC and Magnetic Core
Last Answer : (C) Vacuum tubes and Magnetic drum
Description : Which of the following is used as a primary storage device? a. Magnetic drum b. Prom c. Floppy d. All of above
Last Answer : Prom
Last Answer : b. Prom
Description : How do the CX and CDX differ from the TX and TDX?
Last Answer : The CX and CDX have higher impedance windings
Description : How do electromechanical computers differ from the mechanical computers?
Last Answer : Electromechanical computers use electrical components to perform some of the calculations.
Description : How do the two types of monolithic IC construction differ?
Last Answer : Diffusion penetrates substrate; epitaxial does not
Description : How do monolithic ICs differ from film ICs?
Last Answer : Monolithic ICs contain active and passive elements. Film ICs contain only passive elements
Description : How do FM record electronics differ from AM (direct record) electronics?
Last Answer : Instead of recording the signal just as it appears at the recorder’s input, FM record electronics records a frequency-modulated carrier signal from a record oscillator (figure 5-4) onto the magnetic tape
Description : What two characteristics of IC synchros cause them to differ from standard synchros?
Last Answer : Direction of rotation and amount of torque.
Description : How does the current-diode detector differ from the voltage-diode detector?
Last Answer : The current-diode detector is in parallel with the input and load.
Description : Other than disk, what is another media used for backup files?
Last Answer : Magnetic tape.
Description : What is the temperature range within which a disk will operate?
Last Answer : 10 to 50 degrees Celsius or 50 to 120 degrees Fahrenheit.
Description : What type of hard disk drive interface has all of the controller card electronics included in the disk drive itself?
Last Answer : Integrated drive electronics (IDE).
Description : What type of disk drive interface has most of the electronics on a controller card mounted in the host computer?
Last Answer : ST-506/412 interface.
Description : The control electronics component of a floppy or hard disk drive performs what three main functions?
Last Answer : a. Spins the disk at the correct speed. b. Moves the heads across the recording surface. c. Tells the write/read heads when to write data and when to read it.
Description : Cartridge hard disk drives with 14" disk packs may require what additional types of preventive maintenance?
Last Answer : a. Cleaning with a special cleaning disk. b. Cleaning air filters. c. Cleaning spindles, rails, and slides. d. Cleaning and buffing read/write heads.
Description : Approximately how often should you clean a floppy disk drive that gets heavy use?
Last Answer : Once a month
Description : A kit for cleaning floppy disk drives contains what two items?
Last Answer : . a. A cloth or fiber cleaning disk. b. A bottle of cleaning solution.
Description : Why do floppy disk drives require more preventive maintenance than hard disk drives?
Last Answer : They are not sealed units, and they use flimsy plastic disks with an oxide coating that wears off and sticks to the heads
Description : Hard disk drive transports contain the electromechanical parts that perform what three functions?
Last Answer : a. Rotates the hard disk platters. b. Writes data to and reads data from the disk platters
Description : What part of a floppy disk drive transport contains the circuitry which controls the electromechanical parts of the transport?
Last Answer : Drive electronics circuit board.
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 : The drive motor of a 3-1/2", 1.44-MB floppy disk drive spins the disk at what RPM?
Last Answer : 600 RPM.
Description : What are the four most important parts of a floppy disk drive transport?
Last Answer : a. Drive motor/spindle assembly. b. Head arm assembly. c. Actuator arm assembly. d. Drive electronics circuit board.
Description : What method for encoding digital data enables you to store more data in less space by limiting the distance between pulses on a hard disk?
Last Answer : Run length-limited (RLL) encoding.
Description : Older, single-sided, single-density floppy disk drives would probably use what method for encoding digital data onto the floppy disk?
Last Answer : Frequency-modulation encoding.
Description : What is the most common method for erasing a hard disk?
Last Answer : Reformat the disk.
Description : What is the most common type of hard disk failure?
Last Answer : Head-crash.
Description : When computers use the cylinder method to store data on a hard disk pack, what three items make up the address that tells the computer where on a specific disk to store the data?
Last Answer : . a. Cylinder number. b. Recording surface number.
Description : What are the three most common sizes of hard disk platters?
Last Answer : 3-1/2 inches, 5-1/4 inches, and 14 inches.
Description : What three components determine the address that locates where on a floppy disk the computer will store the data?
Last Answer : a. disk side number, b. track number, and c. sector number.
Description : The process of formatting a floppy disk is called what type of sectoring?
Last Answer : Soft sectoring.
Description : What is the storage capacity of a 5-1/4" double-sided, high density floppy disk?
Last Answer : 1,200,000 bytes or 1.2 megabytes.
Description : What are the three levels of floppy disk density?
Last Answer : a. Single-density, b. double-density, and c. high-density.
Description : What type of floppy disk is made to store data on both sides of the disk
Last Answer : Double-sided.