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 : d. Surface
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 : 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 : Answer : D
Last Answer : d. All of above
Description : When we move from the outermost track to the innermost track in a magnetic disk, then density (bits per linear inch) (1) decreases (2) increases (3) remains the same (4) either remains constant or decreases
Last Answer : increases
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 : A group of magnetic tapes, videos or terminals usually under the control of one master is A) Cylinder B) Surface C) Track D) Cluster
Description : A group of magnetic tapes, videos or terminals usually under the control of one master is a. Cylinder b. Surface c. Track d. Cluster
Last Answer : d. Cluster
Description : The capacity of 3.5 inch floppy disk is a. 1.40 MB b. 1.44 GB c. 1.40 GB d. 1.44 MB
Last Answer : 1.44 MB
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
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
Description : A floppy disk contains a. Circular tracks only b. Sectors only c. Both circular tracks and sectors d. All of the above
Last Answer : Both circular tracks and sectors
Description : “““.is the process ofdividing the disk into tracks and sectors. (A) Tracking (B) Formatting (C) Crashing (D) Allotting (E) None of these
Last Answer : Formatting
Last Answer : b. Access arm
Description : Seek time is a. time to position the head over proper track b. time to position the head over proper sector c. time to position the head over proper cylinder d. none of above
Last Answer : time to position the head over proper track
Description : Walking home one day, you take a short cut along the train tracks. The tracks cross a narrow bridge over a deep gorge. At the point you are 3/8 of the way across the bridge, you hear the train whistle ... run over as well. If you can run ten miles per hour, how fast is the train moving? -Riddles
Last Answer : The train is moving at 40 miles per hour. Imagine that a friend is walking with you. When the train whistle blows, you head away from the train, he heads toward it. When he reaches safety, you ... the bridge in the time you cross the remaining 1/4, the train must be moving four times your speed.
Description : The capacity of 3.5 inch floppy disk is A) 1.40 MB B) 1.44 GB C) 1.40 GB D) 1.44 MB
Last Answer : a. 1.40 MB
Last Answer : d. 1.44 MB
Description : The IBM PC-XT was the first to include a hard drive. What was the capacity of this disk ? 750 KB 10 KB 20 KB 1.44 KB
Last Answer : 10 KB
Description : The most important advantage of a video disk is a. Compactness b. Potential capacity c. Durability d. Cost effectiveness
Last Answer : Compactness
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 : 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 : 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 : What is the process of copying software programs from secondary storage mediato the hard disk called? (A) Configuration (B) Download (C) Storage (D) Upload (E) Installation
Last Answer : Upload
Description : A DVD is an example ofa(n) – (A) hard disk (B) opticaldisc (C) output device (D) solid-state storage device (E) None of these
Last Answer : opticaldisc
Description : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is (a) 1 GB (b) 100 MB (c) 10 MB (d) 10 GB
Last Answer : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is 1 GB
Description : Tape speed is measured in a. Feet per second b. Inch per second c. Meter per second d. Centimeter per second
Last Answer : Inch per second
Description : a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer
Last Answer : Super computer
Description : Number of bits per symbol used in Baudot code is a. 7 b. 5 c. 8 d. 9
Last Answer : 5
Description : The cheapest modems cantransmit A. 300 bits per second B. 1,200 bitsper second C. 2,400 bits per second D. 4,800 bits per second E. None of the above
Last Answer : 300 bits per second
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second D) Both B and C
Last Answer : B) Baud
Description : If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ______. a. 64 Kbps b. 32 Mbps c. 32 Kbps d. 64 MbpS
Last Answer : c. 32 Kbps
Description : A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ? a. 1 Mbps b. 2 Mbps c. 10 Mbps d. 12 Mbps
Last Answer : b. 2 Mbps
Description : A network with bandwidth of 10 Mbps can pass only an average of 15,000 frames per minute with each frame carrying an average of 8,000 bits. What is the throughput of this network? a. 2 Mbps b. 60 Mbps c. 120 Mbps
Last Answer : a. 2 Mbps
Description : Consider a source computer(S) transmitting a file of size 106 bits to a destination computer (D)over a network of two routers (R1 and R2) and three links(L1, L2, and L3). L1connects S to R1; L2 connects R1 to ... file from S to D? a. 1005 ms b. 1010 ms c. 3000 ms d. 3003 ms Answer: Option(a)
Last Answer : a. 1005 ms
Description : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000
Last Answer : d. 20000
Description : How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200
Last Answer : b. 800
Description : The distance between two stations M and N is L kilometers. All frames are K bits long. The propagation delay per kilometer is t seconds. Let R bits/second be the channel capacity. Assuming that processing ... maximum utilization, when the sliding window protocol used is: a. A b. B c. C d. D
Last Answer : c. C
Description : A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the thickness of the cylinder if it is twice the diameter of the cylinder. a) 12mm b) 4mm c) 8mm d) 16mm
Last Answer : c) 8mm
Description : A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the length of the cylinder if it is twice the diameter of the cylinder. a) 540mm b) 270mm c) 400mm d) 350mm
Last Answer : a) 540mm
Description : In SQL, the command(s) is (are)used tocreate an index for atable or cluster A. CREATE INDEX B. MODIFY INDEX C. SET INDEX TO FILE D. All of theabove E. None of the above
Last Answer : CREATE INDEX
Description : Gauss law can be evaluated in which coordinate system? a) Cartesian b) Cylinder c) Spherical d) Depends on the Gaussian surface
Last Answer : d) Depends on the Gaussian surface
Description : In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations ... to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.
Last Answer : It can be replicated form its alternative locations to other live machines.
Description : .In computing, ________ improves the distribution of workloads across multiple computing resources, such as computers, a computer cluster, network links, central processing units, or disk drives. a) Virtual machine b) Virtual computing c) Virtual cloud d) Load balancer
Last Answer : Load balancer