Description : Access time is A) seek time + latency time B) seek time C) seek time D) latency time
Last Answer : Answer : A
Description : Access time is A) seek time + latency time B) seek time C) seek time ? latency time D) latency time
Description : Which of the following is/are hard disk performance parameter? A. Seek time B. Latency period C. Access time D. All of the above
Last Answer : D. All of the above
Description : Access time is a. seek time + latency time b. seek time c. seek time – latency time d. latency time
Last Answer : a. seek time + latency time
Description : ............. is the time required to move the disk arm to the required track. A) Seek time B) Rotational delay C) Latency time D) Access time
Last Answer : A) Seek time
Description : Time taken to move from one cylinder of a HDD to another is called 1) Transfer Rate 2) Average seek time 3) Latency 4) Roundtrip time
Last Answer : 2) Average seek time
Description : Time taken to move from one cylinder of a HDD to another is called 1 Transfer Rate 2 Average seek time 3 Latency 4 Roundtrip time
Last Answer : 2 Average seek time
Description : Latency time is a. Time to spin the needed data under head b. Time to spin the needed data under track c. Time to spin data under sector d. All of above
Last Answer : Time to spin the needed data under head
Description : In Bluetooth, the_____ link is used when data integrity is more important than avoiding latency. A) SCO B) ACL C) ACO D) SCL
Last Answer : ACL
Description : In Bluetooth, the_____ link is used when avoiding latency (delay in data delivery) is more important than integrity (error-free delivery). A) SCO B) ACL C) ACO D) SCL
Last Answer : SCO
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 : The average time required to reach a storage location in memory and obtain its contents is called_____. A. Latency time. B. Access time. C. Turnaround time. D. Response time.
Last Answer : B. Access time.
Description : Which statement is true about a cloud computing environment? A. It cannot be used to host location based applications. B. It enables users to access systems regardless of their location. C. It introduces ... D. It can improve a web server response time by having servers closer to the end user.
Last Answer : It enables users to access systems regardless of their location.
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 : The sum of the seek time, and the rotational delay is called the ……………….. A) reached time B) access time C) arrived time D) common time
Last Answer : B) access time
Description : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access
Last Answer : Serial access
Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : Address register
Description : The two basic types of record-access methods are a. Sequential and random b. Sequential and indexed c. Direct and immediate d. On-line and real time
Last Answer : Sequential and random
Description : ________is a multiple-access method in which the available bandwidthof a link is shared in time, frequency, or through code, between different stations. A) Random access B) Controlledaccess C) Channelization D) none of the above
Last Answer : Channelization
Description : Data integrity control A. is used to set upper and lower limits on numeric data B. requires the use of passwords toprohibit unauthorized access tothe file C. has the data dictionary keep thedate and time ... back-up,and most recent modificationfor all files D. All of theabove E. None of the above
Last Answer : has the data dictionary keep thedate and time of lastaccess last back-up,and most recent modificationfor all files
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 : What is MAC ? A computer made by Apple Memory address corruption Mediocre Apple Computer Media Access Control
Last Answer : Media Access Control
Description : Which of the following are ways to provide login access to a router? (choose all that apply) A. HTTP B. Aux Port C. Console D. LLC E. Telnet F.
Last Answer : Aux Port
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 : Any method for controlling access to or use of memory is known a. Memory map b. Memory protection c. Memory management d. Memory instruction
Last Answer : Memory protection
Description : Which of the following memories has the shortest access times? a. Cache memory b. Magnetic bubble memory c. Magnetic core memory d. RAM
Last Answer : Cache memory
Description : Which of the following is a way to access secondary memory? a. Random access memory b. Action method c. Transfer method d. Density method
Last Answer : Random access memory
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 : Which of the following is not true for a magnetic disk? a. It is expensive relative to magnetic tape b. It provides only sequential access to stored data c. Users can easily update records by writing over the old data d. All of above
Last Answer : It provides only sequential access to stored data
Description : Offline device is a. A device which is not connected to CPU b. A device which is connected to CPU c. A direct access storage device d. An I/O device
Last Answer : A device which is not connected to CPU
Description : Magnetic disks are the most popular medium for a. Direct access b. Sequential access c. Both of above d. None of above
Last Answer : Both of above
Description : Which of the following is required to communicate between two computers? a. communications software b. protocol c. communication hardware d. all of above including access to transmission medium
Last Answer : all of above including access to transmission medium
Description : The x.25 standard specifies a a. technique for start-stop data b. technique for dial access c. DTE/DCE interface d. data bit rate e. none of above
Last Answer : DTE/DCE interface
Description : The access method in Bluetooth is________. A) FDMA B) TDD-TDMA C) CDMA D) none of the above
Last Answer : TDD-TDMA
Description : In IEEE 802.11, the access method used in the PCF sublayer is ______. A) contention B) controlled C) polling D) none of the above
Last Answer : polling
Description : In IEEE 802.11, the access method used in the DCF sublayer is _________. A) ALOHA B) CSMA/CA C) CSMA/CD D) none of the above
Last Answer : CSMA/CA
Description : In IEEE 802.11, a___ is made of stationary or mobile wireless stations and anoptional central base station, known as the access point (AP). A) ESS B) BSS C) CSS D) none of the above
Last Answer : BSS
Description : We discussed ______ popular controlled-access methods. A) two B) three C) four D) none of the above
Last Answer : three
Description : In _______ methods,a stationcannot send unless it hasbeen authorized byother stations. A) random access B) controlledaccess C) channelization D) none of the above
Last Answer : controlledaccess
Description : In _______ methods, the stations consult one another tofind which station has the right to send. A) random access B) controlledaccess C) channelization D) none of the above
Description : In ___________ methods, no station is superior to another station and none is assigned the controlover another. A) random access B) controlledaccess C) channelization D) none of the above
Last Answer : random access
Description : Gigabit Ethernet access methods include _______ mode. A) half-duplex B) full-duplex C) both (a) and (b) D) neither (a) nor (b)
Last Answer : both (a) and (b)
Description : The _____sublayer is responsible for the operation of the CSMA/CD access method and framing. A) LLC B) MII C) MAC D) none of the above
Last Answer : MAC
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
Last Answer : 1-persistent
Description : Database management systems are intended to: A. eliminatedata redundancy B. establishrelationships among records in different files C. manage file access D. maintaindata integrity E. All of theabove
Last Answer : All of theabove
Description : Goals for the design of thelogical schema include A. avoiding data inconsistency B. being ableto construct queries easily C. being ableto access data efficiently D. All of theabove E. None of the above
Description : To access properties of an object, the mouse technique to use is– (A) dragging (B) dropping (C) right-clicking (D) shift-clicking (E) None of these
Last Answer : right-clicking
Description : A person who used his orher expertiseto gain access to other people's computers to get information illegally ordo damage is a– (A) hacker (B) analyst (C) instant messenger (D) programmer (E) spammer
Last Answer : hacker
Description : Why is it unethical to share copyrighted files withyour friends ? (A) It is notunethical, because it is legal. (B) It is unethical because thefiles arebeing given for free. (C) ... D) It is notunethical becausethe filesarebeing given for free. (E) It is notunethical-anyonecan access acomputer
Last Answer : Sharingcopyrighted files without permission breaks copyright laws
Description : __________ is theclear leader for personal databases. A) Microsoft Access B) Microsoft FoxPro C) Borland dBase D) MySQL
Last Answer : Microsoft Access