DFD stands for A) Data Flow Document B) Data File Diagram C) Data Flow Diagram D) Non of the above

DFD stands for
A) Data Flow Document
B) Data File Diagram
C) Data Flow Diagram
D) Non of the above
by

1 Answer

Answer :

C) Data Flow Diagram
by

Related questions

Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

Description : Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

Last Answer : C) a repository of data

Data cannot flow between two data stores because A) it is not allowed in DFD B) a data store is a passive repository of data C) data can get corrupted D) they will get merged

Description : Data cannot flow between two data stores because A) it is not allowed in DFD B) a data store is a passive repository of data C) data can get corrupted D) they will get merged

Last Answer : D) they will get merged

A context diagram is used A) as the first step in developing a detailed DFD of a system B) in systems analysis of very complex systems C) as an aid to system design D) as an aid to programmer

Description : A context diagram is used A) as the first step in developing a detailed DFD of a system B) in systems analysis of very complex systems C) as an aid to system design D) as an aid to programmer

Last Answer : A) as the first step in developing a detailed DFD of a system

A context diagram A) Describes the context of a system B) is a DFD which gives an overview of the system C) is a detailed description of a system D) is not used in drawing a detailed DFD

Description : A context diagram A) Describes the context of a system B) is a DFD which gives an overview of the system C) is a detailed description of a system D) is not used in drawing a detailed DFD

Last Answer : B) is a DFD which gives an overview of the system

A rectangle in a DFD represents A) a process B) a data store C) an external entity D) an input unit

Description : A rectangle in a DFD represents A) a process B) a data store C) an external entity D) an input unit

Last Answer : C) an external entity

A DFD is normally leveled as A) It is a good idea in design B) It is recommended by many experts C) it is easy to do it D) It is easier to read and understand a number of smaller DFDs than one large DFD

Description : A DFD is normally leveled as A) It is a good idea in design B) It is recommended by many experts C) it is easy to do it D) It is easier to read and understand a number of smaller DFDs than one large DFD

Last Answer : D) It is easier to read and understand a number of smaller DFDs than one large DFD

By an external entity we mean a A) Unit outside the system being designed which can be controlled by an analyst. B) Unit outside the system whose behavior is independent of the system being designed C) A unit external to the system being designed D) A unit which is not part of a DFD

Description : By an external entity we mean a A) Unit outside the system being designed which can be controlled by an analyst. B) Unit outside the system whose behavior is independent of the system being designed C) A unit external to the system being designed D) A unit which is not part of a DFD

Last Answer : C) A unit external to the system being designed

In a DFD external entities are represented by a A) Rectangle B) Ellipse C) Diamond shaped box D) Circle

Description : In a DFD external entities are represented by a A) Rectangle B) Ellipse C) Diamond shaped box D) Circle

Last Answer : A) Rectangle

The data Flow Diagram is the basic component of …………… system A) Conceptual B) Logical C) Physical

Description : The data Flow Diagram is the basic component of …………… system A) Conceptual B) Logical C) Physical

Last Answer : A) Conceptual

Based on the identification of objectives, input, output and file content, the vital document is called … A) System Definition B) System Document C) System Requirement Document D) System Subject

Description : Based on the identification of objectives, input, output and file content, the vital document is called … A) System Definition B) System Document C) System Requirement Document D) System Subject

Last Answer : B) System Document

In XML, DOCTYPE declaration specifies to include a reference to ............ file. (A) Document Type Definition (B) Document Type Declaration (C) Document Transfer Definition (D) Document Type language

Description : In XML, DOCTYPE declaration specifies to include a reference to ............ file. (A) Document Type Definition (B) Document Type Declaration (C) Document Transfer Definition (D) Document Type language

Last Answer : (A) Document Type Definition

4NF stands for .. A) Fourth Normal File B) Fourth Normal Form C) Fourth Normal Fraction D) Fourth Negative File

Description : 4NF stands for .. A) Fourth Normal File B) Fourth Normal Form C) Fourth Normal Fraction D) Fourth Negative File

Last Answer : B) Fourth Normal Form

FTP stands for A) File transfer protocol B) File transmission protocol C) Form transfer protocol D) Form transmission protocol

Description : FTP stands for A) File transfer protocol B) File transmission protocol C) Form transfer protocol D) Form transmission protocol

Last Answer : A) File transfer protocol

FTP stands for A) Folder Transfer Protocol B) File Transfer Process C) File Transfer Protocol D) File Text Protocol

Description : FTP stands for A) Folder Transfer Protocol B) File Transfer Process C) File Transfer Protocol D) File Text Protocol

Last Answer : C) File Transfer Protocol

PDF stands for: a) Portable Document File b) Portable Document Format c) Paired Drive Format d) None of These

Description : PDF stands for: a) Portable Document File b) Portable Document Format c) Paired Drive Format d) None of These

Last Answer : b) Portable Document Format

DDS stands for ………………… A) Data Data Systems B) Data Digital System C) Data Dictionary Systems D) Digital Data Service

Description : DDS stands for ………………… A) Data Data Systems B) Data Digital System C) Data Dictionary Systems D) Digital Data Service

Last Answer : C) Data Dictionary Systems

DCL stands for A) Data Control Language B) Data Console Language C) Data Console Level D) Data Control Level

Description : DCL stands for A) Data Control Language B) Data Console Language C) Data Console Level D) Data Control Level

Last Answer : C) Data Console Level

FDDI stands for A) Fiber Distributed Data Interface B) Fiber Data Distributed Interface C) Fiber Dual Distributed Interface D) Fiber Distributed Data Interface

Description : FDDI stands for A) Fiber Distributed Data Interface B) Fiber Data Distributed Interface C) Fiber Dual Distributed Interface D) Fiber Distributed Data Interface

Last Answer : A) Fiber Distributed Data Interface

An ER Model includes I. An ER diagram portraying entity types. II. Attributes for each entity type III. Relationships among entity types. IV. Semantic integrity constraints that reflects the business rules about data not captured in the ER diagram. (A) I, II, III & IV (B) I&IV (C) I, II & IV (D) I & III

Description : An ER Model includes I. An ER diagram portraying entity types. II. Attributes for each entity type III. Relationships among entity types. IV. Semantic integrity constraints that reflects the business rules about data not ... ; IV (B) I&IV (C) I, II & IV (D) I & III

Last Answer : (A) I, II, III & IV

Which command is used to sort the lines of data in a file in reverse order A. sort B. sh C. st D. sort -r E. None of the above

Description : Which command is used to sort the lines of data in a file in reverse order A. sort B. sh C. st D. sort -r E. None of the above

Last Answer : D. sort -r

MS-SQL stores data in a ........................ file format. A) .DAT B) .MDB C) .MSSQL D) .OBJ

Description : MS-SQL stores data in a ........................ file format. A) .DAT B) .MDB C) .MSSQL D) .OBJ

Last Answer : A) .DAT

A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table: using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Description : A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table:  using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Last Answer : (D) 2,24,000 bits 

The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Description : The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Last Answer : (C) Scheduling parameters

Database applications were built directly on top of file system to overcome the following drawbacks of using file-systems (a) Data redundancy and inconsistency (b) Difficulty in accessing Data (c) Data isolation (d) Integrity problems (A) (a) (B) (a) and (d) (C) (a), (b) and (c) (D) (a), (b), (c) and (d)

Description : Database applications were built directly on top of file system to overcome the following drawbacks of using file-systems (a) Data redundancy and inconsistency (b) Difficulty in accessing Data (c) Data isolation (d) Integrity problems (A) (a) (B) ... d) (C) (a), (b) and (c) (D) (a), (b), (c) and (d)

Last Answer : (D) (a), (b), (c) and (d) 

In Unix operating system, special files are used to : (A) buffer data received in its input from where a process reads (B) provide a mechanism to map physical device to file names (C) store list of file names plus pointers associated with i-nodes (D) store information entered by a user application program or utility program

Description : In Unix operating system, special files are used to : (A) buffer data received in its input from where a process reads (B) provide a mechanism to map physical device to file names (C ... pointers associated with i-nodes (D) store information entered by a user application program or utility program

Last Answer : (B) provide a mechanism to map physical device to file names 

A device is sending out data at the rate of 2000 bps. How long does it take to send a file of 1,00,000 characters ? (A) 50 (B) 200 (C) 400 (D) 800

Description : A device is sending out data at the rate of 2000 bps. How long does it take to send a file of 1,00,000 characters ? (A) 50 (B) 200 (C) 400 (D) 800

Last Answer : (C) 400 Explanation: 1,00,000 characters = 1,00,000 x 8 bits = 8,00,000 bits 8,00,000 bits/2000 bps = 400 seconds

Suppose that the time to do a null remote procedure call (RPC) (i.e, 0 data bytes) is 1.0 msec, with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs? (A) 49 msec (B) 80 msec (C) 48 msec (D) 100 msec

Description : Suppose that the time to do a null remote procedure call (RPC) (i.e, 0 data bytes) is 1.0 msec, with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs? (A) 49 msec (B) 80 msec (C) 48 msec (D) 100 msec

Last Answer : (B) 80 msec

Which of the following information about the UNIX file system is not correct? (A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks. (B) An i-node contains accounting information as well as enough information to locate all the disk blocks that holds the file’s data. (C) Each i-node is 256-bytes long. (D) All the files and directories are stored in data blocks.

Description : Which of the following information about the UNIX file system is not correct? (A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks. (B ... Each i-node is 256-bytes long. (D) All the files and directories are stored in data blocks. 

Last Answer : (C) Each i-node is 256-bytes long.

In mapping of ERD to DFD a) entities in ERD should correspond to an existing entity/store in DFD b) entity in DFD is converted to attributes of an entity in ERD c) relations in ERD has 1 to 1 correspondence to processes in DFD d) relationships in ERD has 1 to 1 correspondence to flows in DFD

Description : In mapping of ERD to DFD a) entities in ERD should correspond to an existing entity/store in DFD b) entity in DFD is converted to attributes of an entity in ERD c) relations in ERD has 1 to 1 correspondence to processes in DFD d) relationships in ERD has 1 to 1 correspondence to flows in DFD

Last Answer : a) entities in ERD should correspond to an existing entity/store in DFD

Draw and explain Level 1 DFD for railway reservation system.

Description : Draw and explain Level 1 DFD for railway reservation system.

Last Answer : The passenger can initiate either Reservation process or Enquiry process; If a user opts for Reservation process then the system shall proceed with ticket generation process and same needs to ... enquiry module then appropriate request shall be entertain and result to be displayed to the user.

PDP stands for: a) Processed Dynamic Processor b) Personal Data Processorc) Parent Document Processord) None of These

Description : PDP stands for: a) Processed Dynamic Processor b) Personal Data Processor c) Parent Document Processor d) None of These

Last Answer : b) Personal Data Processor

DBMS stands for: a) Dynamic Bureau of Management System b) Document Base Management System c) Data Base Management System d) None of These

Description : DBMS stands for: a) Dynamic Bureau of Management System b) Document Base Management System c) Data Base Management System d) None of These

Last Answer : c) Data Base Management System

………….. gives defining the flow of the data through and organization or a company or series of tasks that may or may not represent computerized processing. A) System process B) System flowchart C) System design D) Structured System

Description : ………….. gives defining the flow of the data through and organization or a company or series of tasks that may or may not represent computerized processing. A) System process B) System flowchart C) System design D) Structured System

Last Answer : B) System flowchart

A data cannot flow between a store and i) a store ii) a process iii) an external entity A) i and iii B) i and ii C) ii and iii D) ii

Description : A data cannot flow between a store and i) a store ii) a process iii) an external entity A) i and iii B) i and ii C) ii and iii D) ii

Last Answer : A) i and iii

A data flow can A) Only a data store B) Only leave a data store C) Enter or leave a data Store D) Either enter or leave a data store but not both

Description : A data flow can A) Only a data store B) Only leave a data store C) Enter or leave a data Store D) Either enter or leave a data store but not both

Last Answer : C) Enter or leave a data Store

A data flow can A) Only emanate from an external entity B) Only terminate in an external entity C) May emanate and terminate in an external entity D) May either emanate or terminate in an external entity but not both

Description : A data flow can A) Only emanate from an external entity B) Only terminate in an external entity C) May emanate and terminate in an external entity D) May either emanate or terminate in an external entity but not both

Last Answer : C) May emanate and terminate in an external entity

What is the purpose of Ctrl + I shortcut key in MS - Word: a) It converts selected text into the next larger size of the same font. b) It applies the Italic formatting to the selected text. c) It makes the selected text bold d) It adds a line break to the document. e) None of The Above

Description : What is the purpose of Ctrl + I shortcut key in MS - Word: a) It converts selected text into the next larger size of the same font. b) It applies the Italic formatting to the selected text. c) It makes the selected text bold d) It adds a line break to the document. e) None of The Above

Last Answer : b) It applies the Italic formatting to the selected text.

………………….. means coordinated effort, to communicate the information of the system written form. A) System documentation B) Resource required C) Development schedule D) User Document

Description : ………………….. means coordinated effort, to communicate the information of the system written form. A) System documentation B) Resource required C) Development schedule D) User Document

Last Answer : A) System documentation

To move the cursor to end of the document, press ................ A) Ctrl+End B) End C) Alt+End D) Shift+End

Description : To move the cursor to end of the document, press ................ A) Ctrl+End B) End C) Alt+End D) Shift+End

Last Answer : A) Ctrl+End

.......... displays the information about the active document such as page number, section number, number of pages, insertion point, position, etc. A) View Bar B) Menu Bar C) Status Bar D) Ruler Lin

Description : .......... displays the information about the active document such as page number, section number, number of pages, insertion point, position, etc. A) View Bar B) Menu Bar C) Status Bar D) Ruler Lin

Last Answer : C) Status Bar

To place a sound into a word document, following feature of windows is used: (A) Clip board (B) Task switching (C) C Win App (D) OLE

Description : To place a sound into a word document, following feature of windows is used: (A) Clip board (B) Task switching (C) C Win App (D) OLE

Last Answer : (D) OLE

The document that is used by XSLT to indicate, how to transform the elements of the XML document to another format is (A) HTML page (B) DOC type procedure (C) Style sheet (D) Stored procedure

Description : The document that is used by XSLT to indicate, how to transform the elements of the XML document to another format is (A) HTML page (B) DOC type procedure (C) Style sheet (D) Stored procedure

Last Answer : (C) Style sheet

The document standards for EDI were first developed by large business house during the 1970s and are now under the control of the following standard organisation: (A) ISO (B) ANSI (C) ITU-T (D) IEEE

Description : The document standards for EDI were first developed by large business house during the 1970s and are now under the control of the following standard organisation: (A) ISO (B) ANSI (C) ITU-T (D) IEEE

Last Answer : (B) ANSI

The syntax of capturing events method for document object is (A) CaptureEvents() (B) CaptureEvents(Orgs eventType) (C) CaptureEvents(eventType) (D) CaptureEvents(eventVal)

Description : The syntax of capturing events method for document object is (A) CaptureEvents() (B) CaptureEvents(Orgs eventType) (C) CaptureEvents(eventType) (D) CaptureEvents(eventVal)

Last Answer : (C) CaptureEvents(eventType)

What can you say about the following statements? I. XML tags are case-insensitive. II. In JavaScript, identifier names are case-sensitive. III. Cascading Style Sheets (CSS) cannot be used with XML. IV. All well-formed XML documents must contain a document type definition. (1) only I and II are false. (2) only III and IV are false. (3) only I and III are false. (4) only II and IV are false.

Description : What can you say about the following statements? I. XML tags are case-insensitive. II. In JavaScript, identifier names are case-sensitive. III. Cascading Style Sheets (CSS) cannot be used with XML. IV. All well-formed ... IV are false. (3) only I and III are false. (4) only II and IV are false. 

Last Answer : Answer: Marks to all

MDP stands for A) Master Development Plan B) Master Design Program C) Mandatory Database Program D) Master Database Plan

Description : MDP stands for A) Master Development Plan B) Master Design Program C) Mandatory Database Program D) Master Database Plan

Last Answer : A) Master Development Plan

DLC stands for A) System Development Life Cycle B) Structure Design Life Cycle C) System Design Life Cycle D) Structure development Life Cycle

Description : DLC stands for A) System Development Life Cycle B) Structure Design Life Cycle C) System Design Life Cycle D) Structure development Life Cycle

Last Answer : A) System Development Life Cycle

HSAM stands for ………. A) Hierarchic Sequential Access Method B) Hierarchic Standard Access Method C) Hierarchic Sequential and Method D) Hierarchic Standard and Method

Description : HSAM stands for ………. A) Hierarchic Sequential Access Method B) Hierarchic Standard Access Method C) Hierarchic Sequential and Method D) Hierarchic Standard and Method

Last Answer : A) Hierarchic Sequential Access Method

PEG stands for ............... A) Joint Photo Experts Group B) Joint Photogenic Experts Group C) Joint Photographic Experts Group D) Joint Photoelectric Experts Group

Description : PEG stands for ............... A) Joint Photo Experts Group B) Joint Photogenic Experts Group C) Joint Photographic Experts Group D) Joint Photoelectric Experts Group

Last Answer : C) Joint Photographic Experts Group

SMTP stands for A) Simple Mail Transfer Protocol B) Simple Mail Transport Protocol C) Sample Mail Transfer Protocol D) Sample Mail Transport Protocol

Description : SMTP stands for A) Simple Mail Transfer Protocol B) Simple Mail Transport Protocol C) Sample Mail Transfer Protocol D) Sample Mail Transport Protocol

Last Answer : A) Simple Mail Transfer Protocol