Description : In_______, the stations share thebandwidth of the channel in time. A) FDMA B) TDMA C) CDMA D) none of the above
Last Answer : TDMA
Description : In ______, the stations usedifferent codes toachieve multipleaccess. A) FDMA B) TDMA C) CDMA D) none of the above
Last Answer : CDMA
Description : The access method in Bluetooth is________. A) FDMA B) TDD-TDMA C) CDMA D) none of the above
Last Answer : TDD-TDMA
Description : ______ is based oncoding theory and uses sequencesof numbers called chips. A) FDMA B) TDMA C) CDMA D) none of the above
Description : In_____, each station transmits its data in itsassignedtime slot. A) FDMA B) TDMA C) CDMA D) none of the above
Description : In_____, each station is allocateda time slotduring which it can send data. Each stationtransmits its data in itsassigned time slot. A) FDMA B) TDMA C) CDMA D) none of the above
Description : In________, the available bandwidth is divided into frequency bands. A) FDMA B) TDMA C) CDMA D) none of the above
Description : A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band. A. CDMA B. ANIK-D C. TDMA D. FDMA
Last Answer : D. FDMA
Description : A multiple access technique used in GSM cellular system A. TACS B. FDMA C. TDMA D. CDMA
Last Answer : C. TDMA
Description : Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD c c) FDMA/FDD and CDMA/FDD d) FDMA/FDD only
Last Answer : b) TDMA/FDD and CDMA/FDD
Description : UMTS use which multiple access technique? a) CDMA b) TDMA c) FDMA d) SDMA
Last Answer : a) CDMA
Description : In______, each station is allocated a band to send its data. In other words, each band is reservedfor a specific station,and it belongs to the station all the time. A) FDMA B) TDMA C) CDMA D) none of the above
Last Answer : FDMA
Description : ________ requires that each station first listento the medium before sending. A) MA B) CSMA C) FDMA D) CDMA
Last Answer : CSMA
Description : In ______, the chanceof collisioncan be reduced if a station senses the medium beforetrying touse it. A) MA B) CSMA C) FDMA D) CDMA
Description : State advantages of TDMA over FDMA
Last Answer : 1. In TDMA since only one station is present at any given time so the crosstalk will avoided this is present in FDMA. 2. The entire channel band which can be allocated to signal channel at ... secure than FDMA. 8. Intermodulation products are absent as there is one carrier only in all time slots.
Description : Compare TDMA and CDMA on the basis of sharing of time and B.W. Synchronization, code word ,guard band and guard time.
Last Answer : Sr. No Parameters TDMA CDMA 1 Sharing of time & B.W Sharing of time of satellite Transponder using entire BW Sharing of time and bandwidth both. 2 ... guard times and guard bands are required if it uses along with TDMA & FDMA. Otherwise not required.
Description : Distinguish between TDMA and CDMA
Last Answer : Sr. No. Parameter TDMA CDMA 1 Definition Entire bandwidth is shared among different subscribers at Fixed predetermined or dynamically assigned time intervals/slots. Entire bandwidth is ... phone, system(AMPS), Cordless telephone IS95 Wide band, CDMA 2000,2.5G and 3G
Description : In_______, collisions are avoidedthrough theuse of three strategies: the interframe space, the contention window,and acknowledgments. A) CSMA/CA B) CSMA/CD C) either (a)or (b) D) both (a) and (b)
Last Answer : CSMA/CA
Description : In_______, the peakamplitude of one signal level is 0; the other is thesame as the amplitude of the carrier frequency. A) PSK B) OOK C) FSK D) none of the above
Last Answer : OOK
Description : In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses.
Last Answer : (A) Orthogonal frequencies.
Description : Bluetooth uses ______method in thephysical layer to avoid interference from other devicesor othernetworks. A) DSSS B) FHSS C) FDMA D) none of the above
Last Answer : FHSS
Description : Satellite-Switched Time-Division Multiple Access (SS/TDMA) is A. the method of determining whichdevice has access tothe transmission medium at any time. B. a medium access control technique for ... switching is used to dynamically changethechannel assignments D. All of theabove E. None of the above
Last Answer : a form of TDMA in which circuit switching is used to dynamically changethechannel assignments
Description : Would Joe Walsh make an interesting coach on The Voice?
Last Answer : I know of him. Definitely. He’s like a musical genius and he has an awesome sense of humor! I think he would be a good addition.
Description : Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.
Last Answer : b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA
Description : Using which method in transport layer data integrity can be ensured? a. Checksum b. Repetition codes c. Cyclic redundancy checks d. Error correcting codes
Last Answer : a. Checksum
Description : The use ofhierarchy in routing tables can ________ the size of the routing tables. A) reduce B) increase C) both a and b D) none of the above
Last Answer : reduce
Description : A relational database management (RDBM) package manages datain morethan one file at once. How does itorganizethese file? As A. tables B. relations C. tuple D. both (a)and (b) E. None of the above
Last Answer : both (a)and (b)
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same ... outgoing packets; the route is determined only by the routing tables in the routers on the way
Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way
Description : Congestion in a network or internetwork occurs because routers and switches have _______. A. tables B. queues C. crosspoints D. none of the above
Last Answer : B. queues
Description : The use of hierarchy in routing tables can ________ the size of the routing tables A. reduce B. increase C. multiply D. retain
Last Answer : A. reduce
Description : A mast cell (or mastocyte) is a resident cells of several types of tissues and contains many granules rich in_______. a) Acetylcholine b) Nicotine c) Epinephrine d) Histamine e) Histadine
Last Answer : Ans: D
Description : Kashmir Day was first observed in_______ on call of Nawaz Sharif, who was the opposition leader and chief minister of Punjab at the time. A. 1991 B. 1990 C. 1988 D. 1993
Last Answer : ANSWER: A
Description : 36 Kashmir Day was first observed in_______ on call of Nawaz Sharif, who was the opposition leader and chief minister of Punjab at the time. A. 1991 B. 1990 C. 1988 D. 1993
Description : Digital Marketing First used in_______ A. 1989 B.1990 C.1991 D.1992
Last Answer : B.1990
Description : Image sensors are found in_______ A. Cameras B. Night-vision equipment C. Sonars D. All of above
Last Answer : D. All of above
Description : Are there any angle parameters Under the Orthogonal Condition？?
Last Answer : 90 degrees kiddo
Description : What is orthogonal and normalised wave function?
Last Answer : Need answer
Description : Through a point in a loaded soil mass, there exists typical planes mutually orthogonal on which the stress is wholly normal and no shear stress acts, if is (A) 1 (B) 2 (C) 3 (D) 4
Last Answer : Answer: Option C
Description : While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above
Last Answer : Answer: Option D
Description : Mostly ________ is used in wireless LAN. a) time division multiplexing b) orthogonal frequency division multiplexing c) space division multiplexing d) channel division multiplexing
Last Answer : b) orthogonal frequency division multiplexing
Description : Which of the following is true about CISC processors? A. The instruction set is non-orthogonal B. The number of general purpose registers is limited C. Instructions are like macros in c language D. Variable length instructions E. All of these F. None of these
Last Answer : E. All of these
Description : Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing
Last Answer : (B) Black-box testing
Description : Differential clearly between Orthogonal and Oblique Cutting
Last Answer : Orthogonal Cutting Oblique Cutting The cutting edge of the tool is perpendicular to the cutting velocity factor The cutting edge is inclined at an angle I' with the normal to the cutting velocity ... cutting edge in action. More than one cutting edges are in action
Description : For the given orthogonal Matrix, the inverse is,
Last Answer : For the given orthogonal Matrix, the inverse is,
Description : Structured programming codes includes ? sequencing alteration iteration multiple exit from loops only A, B and C
Last Answer : only A, B and C
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : Binary codes
Description : _____codes arespecial linear block codes with one extraproperty. If a codeword is rotated, the result is another codeword. A) Non-linear B) Convolution C) Cyclic D) none of the above
Last Answer : Cyclic
Description : Codes consisting of lines of varying widths or lengths that arecomputer-readable are known as– (A) an ASCII code (B) a magnetic tape (C) an OCR scanner (D) a bar code (E) None of these
Last Answer : a bar code