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 : 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 : 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 : Answer : D
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 : Modem
Last Answer : d. Modem
Description : What type of interface electronics is used in many naval electronic warfare systems?
Last Answer : NTDS interface.
Description : Motor controllers are seldom troubled by grounds because ________________. A. cabinet heaters always keep internal components dry B. special insulation is used on wire for vital circuits C. ... on controller panels greatly reduce vibration D. contactors and relays are mounted on nonconducting panels
Last Answer : Answer: D
Description : . If a basic half-wave antenna is mounted vertically, what type of radiation pattern will be produced?
Last Answer : Nondirectional.
Description : What type of polarization should be used if an antenna is mounted on a moving vehicle at frequencies below 50 megahertz?
Last Answer : Vertical polarization.
Description : Which storage device is mounted on reels: a) Floppy Disk b) Hard Disk c) Magnetic Disk d) CD - ROM e) None of The Above
Last Answer : c) Magnetic Disk
Description : Which storage device is mounted on 'reels'? 1) Floppy Disk 2) Hard Disk 3) Magnetic Tapes 4) CDROM
Last Answer : 3) Magnetic Tapes
Description : Each set of disk that are mounted on the common shaft is called the………… a. Gang control lever c. Spool b. Gang bolt. d. Gang
Last Answer : Gang
Description : Approximately how often should you clean a floppy disk drive that gets heavy use?
Last Answer : Once a month
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 : 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 : 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 : 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 : A universally mounted gyro has how many degrees of freedom?
Last Answer : Two.
Description : A universally mounted gyro has how many gimbals?
Description : In which plane will the half-wave antenna be operating if it is mounted horizontally?
Last Answer : Vertical plane.
Description : A wireless network interface controller can work in _______ a) infrastructure mode b) ad-hoc mode c) both infrastructure mode and ad-hoc mode d) WDS mode
Last Answer : c) both infrastructure mode and ad-hoc mode
Description : Components made up exclusively of discrete elements are classified as what type of electronics?
Last Answer : Miniature.
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 : Sector interleaving in disks is done by: a) the disk manufacturer b) the disk controller cord c) the operating system d) None of The Above
Last Answer : c) the operating system
Description : The function of IP adress is …………………………………………. A. host identification B. network interface identification C. location addressing D. all of the above
Last Answer : D. all of the above
Description : The Switching Elements are also called as ………. A. host B. subnet C. Interface Message Processors (IMPs) D. both a and b
Last Answer : C. Interface Message Processors (IMPs)
Description : Which among the following definitions is correct: a) Address - The unique number ID assigned to one host or interface in a network b) Subnet - A portion of a network sharing a particular subnet address c) ... to the host d) Interface - A network connection e) None of These f) All of the Above
Last Answer : f) All of the Above
Description : An IP address serves which among the following principal functions: a) Host or network interface identification b) Location Addressing c) Both of Above d) None of These
Last Answer : c) Both of Above
Description : Point out the wrong statement : A. Full virtualization requires that the host operating system provide a virtual machine interface for the guest operating system and that the guest access hardware through ... A process virtual machine instantiates when a command begins a process D. All of the above
Last Answer : Full virtualization requires that the host operating system provide a virtual machine interface for the guest operating system and that the guest access hardware through that host VM
Description : Point out the wrong statement. a) Full virtualization requires that the host operating system provide a virtual machine interface for the guest operating system and that the guest access hardware ... A process virtual machine instantiates when a command begins a process d) All of the mentioned
Description : What is the major difference between the electronics dry-air branch and the vital service lp air main?
Last Answer : Degree of dehydration.
Description : What discovery opened the door to solid-state electronics?
Last Answer : The transistor and solid-state diode.
Description : What is the major difference between direct reproduce electronics and FM reproduce electronics?
Last Answer : FM record electronics must use a limiter and demodulator circuit (figure 5-5) to demodulate the signal intelligence from the carrier frequency.
Description : The head driver circuit of a tape recorder’s FM record electronics (figure 5-4) performs what function?
Last Answer : It amplifies the frequency-modulated output from the record oscillator and sends it to the record head.
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 : The equalization and phase correction circuit in a tape recorder’s direct reproduce electronics (figure 5-2) performs what function?
Last Answer : It generates an equalization signal which corrects any frequency response problems in the input signal from the pre-amplifier circuit.
Description : The head driver circuit in a tape recorder’s direct record electronics component (figure 5-1) performs what function?
Last Answer : It takes the signal from the summing network, amplifies it, and sends it to the record head for recording.
Description : What two types of record and reproduce electronics are used by magnetic tape recorders?
Last Answer : . a. Direct record (AM). b. Frequency modulation (FM).
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 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 : NIC stands for: a) Short form of Nice in computer language b) Networking Internet Connection c) Network Internal Card d) Network Interface Card e) None of These
Last Answer : d) Network Interface Card
Description : Reduction of Fresnel reflection is possible by reducing the step change in the refractive index at the fiber interface. What material reduces the step change in refractive index at a fiber interface?
Last Answer : Index matching gel.
Description : What are interface elements?
Last Answer : Those devices that serve to interconnect.