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Friday, February 24, 2012

IT Quiz - 8 (Placement Papers of IT Companies)

1. Which of the following networks is available for use on a fee per-byte-transmitted and assures high security and bandwidth?
[A]Public Data Network (PDN)
[B]Local Area Network (LAN)
[C]Metropolitan Area Network (MAN)
[D]Public Switched Telephone Network (PSTN)



2. The link between a member and a variable in a C Structure is established using which of the following operators?
[A]Logical operator
[B]Increment operator
[C]Dot operator
[D]Conditional operator



3. The feature of Internet which allows messages about any subject to be posted and other people on the Internet can reply to them is known as
[A]Internet Paging
[B]Internet Fax
[C]Internet Telephony
[D]Usenet



4. Which of the following technologies include(s) calendaring and scheduling tools, task and project management, workflow systems and knowledge management systems?
[A]Audio/Video Teleconferencing
[B]Electronic Meeting Systems
[C]Workgroup Support Systems
[D]Collaborative Work Management Tools



5. The Vi editor of UNIX has the facility of prefixing a number to any command so as to enable the command to repeat the instructions many times. This prefixing number is called
[A]Preceding count
[B]Succession count
[C]Word count
[D]Number count



6. Which of the following blocks in UNIX is not used by file systems other than the main file system?
[A]Super block
[B]Boot block
[C]Data block
[D]I-node block



7. Which of the following is false with respect to Integer Constant in C programming language?
[A]It should have at least one digit
[B]It may be either positive or negative
[C]It may have a decimal point
[D]No commas or blanks are allowed



8. Which of the following tasks is carried out by ‘for’ loop in C programming language?
I. Initializing the loop counter.
II. Testing the loop counter to determine whether its value has reached the number of repetitions desired.
III. Incrementing the value of the loop counter each time the segment within the loop has been executed.
[A]Only (I) above
[B]Only (II) above
[C]Both (I) and (II) above
[D]All (I), (II) and (III) above



9. Which of the following statements is not true regarding System Administration in Unix?
[A]System Administration involves management of the entire system, ranging from maintaining security, performing backups, providing reliable services to all users etc.
[B]The task of System Administration is entrusted to a person called System Administrator or Super User, as he is named in Unix
[C]System Administrator functions are handled by a software known as ‘sysadm’
[D]The root account has to be created separately



10. The main goal of database modeling is to eliminate redundant data by breaking each table into smaller tables. This process is referred to as
[A]Structuring
[B]Randomizing
[C]Analyzing
[D]Normalizing



11. Which of the following controls specify how an organization’s computer and network resources should be operated for maximum security?
[A]Procedural controls
[B]Information system controls
[C]Output controls
[D]Input controls



12. In a spreadsheet program, a macro is known as
[A]Keyword
[B]Function
[C]Constant
[D]A set of operations that accomplishes a specific task



13. Which of the following is not an advantage of a flowchart?
[A]It is easier for a programmer to explain the logic of a program to others
[B]It acts as a road map for the programmers to write the concerned program
[C]While executing a program if a bug is detected, it is easy to find out the reason by going through the logic of a program in the flowchart form
[D]There are no standards determining the amount of detail that should be included in a flowchart



14. Which of the following statements is/are true regarding decision tables?
I. They are easier to draw and change than charts.
II. They provide more compact documentation.
III. It is easier to follow a particular path down one column than through several flowchart pages.
[A]Only (I) above
[B]Only (II) above
[C]Only (III) above
[D]All (I), (II) and (III) above



15. Which of the following statements is/are false regarding a Database Management System?
[A]The physical level is the lowest level of abstraction that describes how the data is actually stored
[B]At the logical level, a customer record can be described as a block of consecutive storage locations
[C]At the logical level, each record is described by a type definition and the interrelationship among these records is defined
[D]At the view level, users see a set of application programs that hide details of the data types



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