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IT Companies Placement Papers (Information Technologies Quiz - 14)

1. Which of the following is a software component that consists of models used in computational and analytical routines that mathematically express relationships among variables?
[A]Transaction Processing System
[B]Decision Support System
[C]Accounting Information System
[D]Marketing Information System



2. It is better to store Shell statements and Unix commands, that are to be executed on a regular basis, in files called Shell _____.
I. Scripts.
II. Packages.
III. Procedures.
[A]Only (I) above
[B]Only (II) above
[C]Both (I) and (II) above
[D]Both (I) and (III) above



3. A cache that is included in latest microprocessor chips to improve secondary cache performance is called
[A]Unified cache
[B]Level 1 (L1) cache
[C]Level 2 (L2) cache
[D]Backside cache



4. Which of the following is not true about Data Warehouse?
[A]It is a repository of information gathered from multiple sources, stored under a unified schema, at a single site
[B]Once gathered, the data is stored for a long time, permitting access to historical data
[C]Data Warehouse gives the user a single consolidated interface to data, making decision-support queries easier to write
[D]Data Warehouse cannot be further subdivided



5. The ability to increase system performance gradually as the work load grows, by adding more processors is called
[A]Reliability
[B]Scalability
[C]Resource sharing
[D]Compatibility



6. Which of the following transfers the given instruction to the kernel for execution after successful syntactical verification?
[A]CPU
[B]File system
[C]Disk manager
[D]Shell



7. Periodic preparation of data and periodic processing in groups are called
I. Batch processing.
II. Online processing.
III. Large scale processing.
[A]Only (I) above
[B]Only (II) above
[C]Both (I) and (II) above
[D]Both (I) and (III) above



8. Mr.Suresh and Mr.Ganapati studying Bachelor degree program in computer science are working on twocomputers in solving a ‘C’ program. After the completion of the program they have compiled theprogram. Which of the following components of the computer performs the compilation, though it doesnot actually process any data?
[A]Input unit
[B]Output unit
[C]Arithmetic and Logic Unit
[D]Control unit



9. Sadhana, a software engineer, working for Invensys, was asked by the team leader to explain the detailsof the new project using a flowchart. But she could not draw the whole process in a single flowchart. Sowhat type of symbol is useful for her in connecting to the next page?
[A]An Off Page Connector symbol
[B]An on page connector symbol
[C]Connector
[D]Parallelogram shaped symbol



10. Mr. Naidu, working as an instructor in a software-training institute was asked by the students to explain the logic of a program. So which of the following program design tools is most appropriate inexplaining the logic of the program?
I. Flowcharts.
II. Decision tables.
III. Pseudocode.
[A]Only (I) above
[B]Only (II) above
[C]Only (III) above
[D]Both (I) and (II) above



11. Ms. Preeti is working as a lab coordinator in an engineering college. Which of the following commandsin UNIX can be used if she wants to maintain the accounts of all the current users?
[A]Who
[B]Where
[C]User
[D]Display



12. Mr.Suresh, an UNIX programmer, has been asked by his two colleagues, to copy some files in their directories. But he has copied them wrongly. So which of the following commands in UNIX might behelpful for Suresh in copying the files in respective directories without making a mistake?
[A]tar
[B]cat
[C]pwd
[D]grep



13. Vison operations, the pioneer in textile industry has been operating in more than 10 countries. Each ofthe locations uses their own networks with different communication architecture. So which of the following device is used to interconnect these networks?
[A]PABX
[B]Centrex
[C]Routers
[D]Gateways



14. Tortex inc. has replaced its existing system with a new system but the new system is not functioning well due to inadequate testing. Which of the following stages of System Development Life Cycle(SDLC) is relevant to this?
[A]Systems investigation
[B]Systems analysis
[C]Systems design
[D]Systems implementation



15. Which of the following layers provides appropriate data transmission formats and codes in OSIreference model?
[A]The data link layer
[B]The network layer
[C]The transport layer
[D]The presentation layer



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