A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is 1 GB
Description : A hard disk is divided into tracks which is further subdivided into (A) Clusters (B) Sectors (C) Vectors (D) Heads
Last Answer : (B) Sectors
Description : A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of ... is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500
Last Answer : a. 2500
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 : Consider a disk with 16384 bytes per track having a rotation time of 16 msec and average seek time of 40 msec. What is the time in msec to read a block of 1024 bytes from this disk? (A) 57 msec (B) 49 msec (C) 48 msec (D) 17 msec
Last Answer : Answer: B
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
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.
Last Answer : b. Access arm
Description : An IP datagram of size 1000 bytes arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is 100 bytes. Assume that the size of the IP header is 20 bytes ... the IP datagram will be divided into for transmission is : a. 10 b. 50 c. 12 d. 13
Last Answer : d. 13
Description : A disk drive has 100 cylinders, numbered 0 to 99. Disk requests come to the disk driver for cyclinders 12, 26, 24, 4, 42, 8 and 50 in that order. The driver is currently serving a request at cyclinder 24. A seek takes ... (SSTF) algorithm? (A) 0.984 sec (B) 0.396 sec (C) 0.738 sec (D) 0.42 sec
Last Answer : C
Description : The concentric circles on the floppy disks are further divided into (a) tracks (b) sectors (c) cylinders (d) None of these -Technology
Last Answer : (a) Tracks is the correct answer
Description : Consider a disk queue with request for input/output to block on cylinders 98, 183, 37, 122, 14, 124, 65, 67 in that order. Assume that disk head is initially positioned at cylinder 53 and moving ... and 252 cylinders (B) 640 and 236 cylinders (C) 235 and 640 cylinders (D) 235 and 252 cylinders
Last Answer : Answer: 236 and 208 cylinders Explanation: SSTF Initial head position =53 The closest queue to initial head position=65 head moves from 53 to 65=12 head moves from 65 to 67=2 head moves from 67 ... 122=24 head moves from 122 to 124=2 head moves from 124 to 183=59 Total head movement=208
Description : Consider a disk queue with I/O requests on the following cylinders in their arriving order: 6,10,12,54,97,73,128,15,44,110,34,45 The disk head is assumed to be at cylinder 23 and moving in the direction ... . The disk head movement using SCAN-scheduling algorithm is: (1) 172 (2) 173 (3) 227 (4) 228
Last Answer : (2) 173
Description : Do women still use hair curlers (those strange looking cylinders that they would wear on their heads for hours)? Or have those gone the way of the dodo bird?
Last Answer : I don’t know any who do anymore.
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
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 : Track number
Last Answer : d. All of above
Description : In computer language, one kilobyte equals 1) 1000 bytes 2) 1024 bytes 3) 100 bytes 4) 8 bytes
Last Answer : 2) 1024 bytes
Description : One kilobyte is equal to 1) 1000 bytes 2) 1024 bytes 3) 100 bytes 4) 1023 bytes
Description : Approximately how much bigger (how many more bytes) is a megabyte than a kilobyte? A. 1000 times bigger B. 10,0000 times bigger C. 1,000,000,000 times bigger D. 100,000 times bigger
Last Answer : D. 100,000 times bigger
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 : Surface
Last Answer : d. Surface
Description : Which of the following arevalid Minimum and Maximum zoom sizes in MSOffice? A. 10, 100 B. 20,250 C. 10, 500 D. 10,1000
Last Answer : 10, 500
Description : For an overhead line, the surge impedance is taken as (a) 20-30 ohms (b) 70—80 ohms (c) 100—200 ohms (d) 500—1000 ohms (e) none of the above
Last Answer : (c) 100—200 ohms
Description : A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is: w) 10 Newtons x) 1000 Newtons y) 10,000 Newtons z) 100,000 Newtons
Last Answer : ANSWER: Z -- 100,000 NEWTONS
Description : A car starts from rest and moves on a straight road with a uniform acceleration of 10 m/s2 for the first 10 s. During the next 10 s, the car move s with the velocity it has attained. What is the total distance covered by the car in 20 s? (a) 500 m (b) 1000 m (c) 1,500 m (d) 2,000 m
Last Answer : Ans:(c)
Description : The total number of male, female and children working in a factory is 72. They earn Rs.16000 in a day. If the sum of the wages of all male, all female and all children is in the ratio of 36 : 20 : 24 and if the ... 3, then how much a female earn in a day? a) Rs 500 b) Rs 1000 c) Rs 1500 d) Rs 1200
Last Answer : B Ratio of number of male, female and children =36/6:20/5:24/3 = 6x:4x:8x So, (6x + 4x + 8x) = 72 18x=72 X=72/18=4 So, x = 4 Therefore, number of female = 16 Share of all female =20/80*16000 =Rs 4000 So, Share of each female = 4000/4 = Rs 1000
Description : 9. How is the tertiary sector different from other sectors? Illustrate with a few examples. -Economics 10th
Last Answer : The are activities that help in the development of the primary and secondary sectors are called tertiary activities. These activities are different from the primary and secondary sector activities. These ... but play a very important role in selling and bringing those goods to the market.
Description : How is tertiary sector different from other sectors? -SST 10th
Last Answer : . In primary sector, most of the activities are undertaken by exploiting our natural resources. . The secondary sector does the processing of the raw material produced by primary sectors ... natural resources, but the activities undertaken by this sector support both primary and secondary sectors.
Description : On what basis is the industrial sector classified into public and private sectors ? -SST 10th
Last Answer : C - Industries in the public sector are owned by the government while those in the private sector are owned by entrepreneurs.
Description : Why is the tertiary sector becoming more important than other sectors in India? -SST 10th
Last Answer : Tertiary sector has become important in India due to (i) Basic services like hospitals, education, post and telegraph, courts etc. are the responsibility of the government. (ii) Demand ... of service sector also benefitted from external demand such as software industry and call centre services.
Description : On what basis is the industrial sector classified into public and private sectors? -SST 10th
Last Answer : The industrial sector is classified into public and private sectors on the basis of ownerships of enterprises.
Description : How is tertiary sector different from the other two sectors of economic activities? -SST 10th
Last Answer : Tertiary sector is different from other two sectors because: (i) It does not provide or produce goods. (ii) It provides services such as transport, I.T., communications, etc. (iii) ... the sectors. (iv) More the primary and secondary sectors develop, there increases the requirement of services.
Last Answer : Tertiary sector is different from other sectors in the following ways: (i) Primary sector includes all those activities which result in output of natural products. (ii) Secondary sector includes activities ... has to move long distance. It can be done by a strong network of tertiary activities.
Description : A mixed economy refers to an economic system where - (1) The economy functions with foreign collaboration (2) Only t he private sector operates under government control (3) Both the government and the private sectors operate sectors operate simultaneously (4) No foreign investment is allowed
Last Answer : (3) Both the government and the private sectors operate sectors operate simultaneously Explanation: Mixed economy is an economic system in which both the state and private sector direct the ... and that the government wields indirect influence over the economy through fiscal arid monetary policies.
Description : Personal Income' equals - (1) The household sector's in-come (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above
Last Answer : (3) Personal disposable income plus miscellaneous receipts of the Goverment Explanation: Disposable income is total personal income minus personal current taxes (or plus receipts of the government). ... category of personal (or, private) consumption expenditure) yields personal (or, private) savings
Description : In India, disguised unemployment is generally observed in - (1) the Agricultural sector (2) the Factory sector (3) the Service sector (4) All these sectors
Last Answer : (1) the Agricultural sector Explanation: As the word suggests, disguised unemployment refers to a situation when a person is apparently employed, but in effect unemployed. It is a ... in reality a sufficient number of them are unemployed. Their contribution regarding production is negligible.
Description : The law of diminishing returns applies to - (1) All sectors (2) Industrial sector (3) Agricultural sector (4) Service sector
Last Answer : (1 ) All sectors Explanation: The classical economists were of the opinion that - the law of diminishing returns applies only to agriculture and to some extractive industries, such as mining, fisheries urban land, etc. However, it is applicable to other sectors such as manufacturing as well.
Description : The ‘Perspective Plan’ is an attempt to help which of the following sectors reach its full potential? a. Pig livestock sector b. Poultry Sector c. Dairy Sector d. Honey sector e. Silk Sector
Last Answer : c. Dairy Sector
Description : Assertion (A): The development of agriculture and industry leads to the development of tertiary sector. Reason (R): As the agriculture and industrial sectors develop, the demand for storage, transport, banking, insurance, etc, increases ... A. (c) A is true but R is false. (d) Both A & R are false.
Last Answer : (a) Both A & R are true and R is the correct explanation of A
Description : Impact of change in demand in one sector on other sectors is studied by A.General equilibrium B.Partial equilibrium C.Both (a) and (b) D.None of these
Last Answer : A.General equilibrium
Description : Banking sector comes under which of the following sectors ________. a. Marketing sector b. Service sector c. Industrial sector
Last Answer : b. Service sector
Description : Operations management is applicable (a) mostly to the service sector ; (b) mostly to the manufacturing sector (c) to manufacturing and service sectors ; (d) to the manufacturing sector exclusively
Last Answer : (c) to manufacturing and service sectors ;
Description : A mixed economy refers to an economic system where (1) The economy functions with foreign collaboration (2) Only the private sector operates under government control (3) Both the government and the private sectors operate sectors operate simultaneously (4) No foreign investment is allowed
Last Answer : Both the government and the private sectors operate sectors operate simultaneously
Description : In India, disguised unemployment is generally observed in (1) the Agricultural sector (2) the Factory sector (3) the Service sector (4) All these sectors
Last Answer : the Agricultural sector
Description : ‘Personal Income’ equals (1) The household sector’s income (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above
Last Answer : Personal disposable income plus miscellaneous receipts of the Goverment