Description : The most common type of storage devices are ______: a) Persistent b) Optical c) Magnetic d) Flash e) Steel
Last Answer : b) Optical
Description : _______ is a typeof transmission impairment in which an outside sourcesuch as crosstalk corrupts asignal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Noise
Description : ________ is a typeof transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Distortion
Description : ________ is a typeof transmission impairment in which the signal loses strength due to theresistance of the transmission medium. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Attenuation
Description : The storage subsystem in a microcomputer consists mainly of “ or “ media with varying capacities a. Memory or video b. Magnetic or optical c. Optical or memory d. Video or magnetic
Last Answer : Magnetic or optical
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 : A _______is the optical link connecting two neighbor devices. A) section B) line C) path D) none of the above
Last Answer : line
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 : Magneto-optical disk
Description : Inthe ________method, a stationthat has a frame tosend senses the line. If the line is idle, it sends immediately. If theline is not idle, it waits a random amount of time and then senses the line again. A) nonpersistent B) 1-persistent C) p-persistent D) none of the above
Last Answer : nonpersistent
Description : Inthe _________ method, after the station finds the lineidle, it sends its frame immediately. If the line isnot idle, it continuously senses theline until it finds it idle. A) nonpersistent B) 1-persistent C) p-persistent D) none of the above
Last Answer : 1-persistent
Description : The IEEE 802.3 Standard defines _________ CSMA/CD as the access method for first-generation 10-Mbps Ethernet. A) 1-persistent B) p-persistent C) non-persistent D) none of the above
Description : Consider the assertions given below. Which among them prove to be beneficial for Persistent HTTP connections? A. Reduction in latency over the sub- sequent requests B. Pipeline-oriented connection over the requests and responses C. Increase ... TCP connections a. A & B b. C & D c. A & C d. B & B
Last Answer : a. A & B
Description : Devices interconnected by the LAN should include A. Computers and terminals B. mass storage device, printers and plotters C. bridges and gateways D. All of theabove E. None of the above
Last Answer : All of theabove
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 : Magnetic metallic oxide
Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above
Last Answer : Either of the above
Description : A name or number used to identify a storage location devices? a. A byte b. A record c. An address d. All of above
Last Answer : An address
Description : Which of the following areadvantagesof CD-ROM as a storage media? (A) CD-ROM is aninexpensive way to store large, amount of data and information (B) CD-ROM disks retrieve data and information more quickly than ... (C) CD-ROMs make lesserrors than magnetic media (D) An of the above (E) None of these
Last Answer : An of the above
Description : Explain sizeof and typeof.
Last Answer : typeof obtains the System.Type object for a type and sizeof obtains the size of a type.
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 : Disk cartridge
Description : Magnetic tape can serve as a. Secondary storage media b. Output media c. Input media d. All of the above
Last Answer : All of the above
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
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 : All of above
Description : Carrier is A. One or more conductors that serve as a common connection for a related group of devices B. a continuous frequency capableof being modulated or impressed witha second signal C. ... that provides a data communications service among stations attached tothe network E. None of the above
Last Answer : a continuous frequency capableof being modulated or impressed witha second signa
Description : Contention is A. One or more conductors that serve as a common connection for a related group of devices B. a continuous frequency capableof being modulated or impressed witha second signal C. ... that provides a data communications service among stations attached tothe network E. None of the above
Last Answer : the condition whentwo or more stations attempt to use the same channel at the same time
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
Description : The storage subsystem in a microcomputer consists mainly of or media with varying capacities A) Memory or video B) Magnetic or optical C) Optical or memory D) Video or magnetic
Last Answer : Answer : B
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 storage subsystem in a microcomputer consists mainly of … or … media with varying capacities a. Memory or video b. Magnetic or optical c. Optical or memory d. Video or magnetic
Last Answer : b. Magnetic or optical
Last Answer : d. None of above
Description : Which of the following is used as a primary memory of computer ? (1) Optical storge device (2) Magnetic storage device (3) RAM (4) Magneto-Optical storage device
Last Answer : RAM
Description : A compact disc (CD) is a data storage system of the type : (1) Magnetic (2) Optical (3) Electrical (4) Electromechanical
Last Answer : Optical
Description : Which of the following is an example of storage devices? 1) Magnetic disks 2) Tapes 3) DVDs 4) All of these
Last Answer : 4) All of these
Description : Which of the following is an example of storage devices? 1 Magnetic disks 2 Tapes 3 DVDs 4 All of these
Last Answer : 4 All of these
Description : A(n) “““.isa special visual and audio effectapplied in Power-point to text or content. (A) animation (B) flash (C) wipe (D) dissolve (E) None of these
Last Answer : animation
Description : Which is considered a direct entry input device? a. Optical scanner b. Mouse and digitizer c. Light pen d. All of the above
Description : Which of the following is not an input device? a. OCR b. Optical scanners c. Voice recognition device d. COM (Computer Output to Microfilm)
Last Answer : COM (Computer Output to Microfilm)
Description : How much power (roughly) a light emitting diode can couple into an optical fiber? a. 100 microwatts b. 440 microwatts c. 100 picowatts d. 10 miliwatts
Last Answer : 100 microwatts
Description : What type of communication media is the most widely usedcabling for data transfer today? A) Cat 5 B) Twisted pair C) Coaxial D) Optical fiber
Last Answer : Cat 5
Description : _______uses two optical fibers anda long-wavelaser source. A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above
Last Answer : 1000Base-LX
Description : ______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above
Description : The inner core ofan optical fiber is _______ in composition. A) glass or plastic B) copper C) bimetallic D) liquid
Last Answer : glass or plastic
Description : In an optical fiber, the inner coreis _______ the cladding. A) denser than B) less dense than C) the samedensityas D) another name for
Last Answer : denser than
Description : _____ isan analog multiplexing technique to combine optical signals. A) FDM B) TDM C) WDM D) None of the above
Last Answer : WDM
Description : The ______ layer is responsible for the movementof a signal from its optical source to its optical destination. A) section B) line C) path D) photonic