Question 1

What are the four improvements to data accuracy that transactions conducted over ecommerce Web sites can offer?

Accepted Answer

1.Customers generally key or enter data

Question 2

The code abbreviations in a mnemonic system must be frequently changed.

Accepted Answer

A) True 
 B)False

Question 3

A disadvantage of alphabetic derivation codes is that:

Accepted Answer

A) there is no meaning inherent in the code. 
B) there may be names that do not have the minimum required number of consonants in the name or description. 
C) there are not enough attributes in the data to form a code. 
D) there is no way to obtain information from a part of the code. 
E) there is no way to sort on any of the data. 
A) there is no meaning inherent in the code. 
B) there may be names that do not have the minimum required number of consonants in the name or description. 
C) there are not enough attributes in the data to form a code. 
D) there is no way to obtain information from a part of the code. 
E) there is no way to sort on any of the data.

Question 4

The analyst must assume that errors in the data will not occur.

Accepted Answer

A) True 
 B)False

Question 5

Coding affords the ability to distinguish between classes of items.

Accepted Answer

A) True 
 B)False

Question 6

Which code indicates the approximate order that the data were entered?

Accepted Answer

A) classification codes 
B) alphabetic deviation codes 
C) block sequence codes 
D) cipher codes 
E) simple sequence codes 
A) classification codes 
B) alphabetic deviation codes 
C) block sequence codes 
D) cipher codes 
E) simple sequence codes

Question 7

Codes are:

Accepted Answer

A) used in GUI programs to ensure that codes keyed by the user are valid. 
B) used in a validation program to ensure that only valid codes have been entered. 
C) printed in reports. 
D) displayed on screens. 
E) All of the above. 
A) used in GUI programs to ensure that codes keyed by the user are valid. 
B) used in a validation program to ensure that only valid codes have been entered. 
C) printed in reports. 
D) displayed on screens. 
E) All of the above.

Question 8

A mathematical process of assuring data accuracy involves multiplying each of the digits in the original code by some predetermined weights, summing these results, and then dividing this sum by a modulus number.

Accepted Answer

A) True 
 B)False

Question 9

Value checks are performed for data that is:

Accepted Answer

A) continuous. 
B) discrete. 
C) cross-referenced. 
D) using a check digit. 
E) stored on a master file. 
A) continuous. 
B) discrete. 
C) cross-referenced. 
D) using a check digit. 
E) stored on a master file.

Question 10

Codes in a GUI system may be stored:

Accepted Answer

A) in a database table. 
B) as a database function. 
C) as a pull-down list. 
D) A and B above. 
E) A and C above. 
A) in a database table. 
B) as a database function. 
C) as a pull-down list. 
D) A and B above. 
E) A and C above.

Question 11

A pattern that contains symbols representing the type of data that must be present in a field is called a character map.

Accepted Answer

A) True 
 B)False

Question 12

The systems analyst can support accurate data entry through achievement of all these broad objectives except:

Accepted Answer

A) effective screen design. 
B) effective and complete data capture. 
C) efficient data capture. 
D) assuring quality through validation. 
A) effective screen design. 
B) effective and complete data capture. 
C) efficient data capture. 
D) assuring quality through validation.

Question 13

A pattern that contains symbols that represent the type of data that must be present in a field is called a regular expression .

Accepted Answer

A) True 
 B)False

Question 14

What is the purpose of using a mnemonic code for data?

Accepted Answer

A mnemonic code is a human mem

Question 15

Numeric codes are much easier to sort than alphanumerics.

Accepted Answer

A) True 
 B)False

Question 16

Which is a way to read input from a source document with an optical scanner rather than off the magnetic media?

Accepted Answer

A) mark sense forms 
B) punch out forms 
C) optical character recognition (OCR) 
D) bar codes 
A) mark sense forms 
B) punch out forms 
C) optical character recognition (OCR) 
D) bar codes

Question 17

Which method is useful for scoring answer sheets for survey questionnaires?

Accepted Answer

A) data strips 
B) bar codes 
C) punch out forms 
D) mark sense forms 
E) MICR 
A) data strips 
B) bar codes 
C) punch out forms 
D) mark sense forms 
E) MICR

Question 18

If codes change frequently or are somewhat unstable, they should be stored as a database function in a GUI system.

Accepted Answer

A) True 
 B)False

Question 19

________ means that the identification code for a customer should not change each time new data are received.

Accepted Answer

A) Stability 
B) Reliability 
C) Standards based 
D) Sortable 
A) Stability 
B) Reliability 
C) Standards based 
D) Sortable

Question 20

The process of putting ambiguous or cumbersome data into short, easily entered digits or letters is called ________.

Accepted Answer

A) coding 
B) data entry 
C) data capture 
D) data analysis 
A) coding 
B) data entry 
C) data capture 
D) data analysis

What are the four improvements to data accuracy that transactions conducted over ecommerce Web sites can offer?

The code abbreviations in a mnemonic system must be frequently changed.

A disadvantage of alphabetic derivation codes is that:

The analyst must assume that errors in the data will not occur.

Coding affords the ability to distinguish between classes of items.

Which code indicates the approximate order that the data were entered?

Codes are:

A mathematical process of assuring data accuracy involves multiplying each of the digits in the original code by some predetermined weights, summing these results, and then dividing this sum by a modulus number.

Value checks are performed for data that is:

Codes in a GUI system may be stored:

A pattern that contains symbols representing the type of data that must be present in a field is called a character map.

The systems analyst can support accurate data entry through achievement of all these broad objectives except:

A pattern that contains symbols that represent the type of data that must be present in a field is called a regular expression .

What is the purpose of using a mnemonic code for data?

Numeric codes are much easier to sort than alphanumerics.

Which is a way to read input from a source document with an optical scanner rather than off the magnetic media?

Which method is useful for scoring answer sheets for survey questionnaires?

If codes change frequently or are somewhat unstable, they should be stored as a database function in a GUI system.

________ means that the identification code for a customer should not change each time new data are received.

The process of putting ambiguous or cumbersome data into short, easily entered digits or letters is called ________.

Systems, Roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling and Prototyping

Using Data Flow Diagrams

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using Uml

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction

Quality Assurance and Implementation

Filters

Exam 15: Designing Accurate Data Entry

What are the four improvements to data accuracy that transactions conducted over ecommerce Web sites can offer?

The code abbreviations in a mnemonic system must be frequently changed.

A disadvantage of alphabetic derivation codes is that:

The analyst must assume that errors in the data will not occur.

Coding affords the ability to distinguish between classes of items.

Which code indicates the approximate order that the data were entered?

Codes are:

A mathematical process of assuring data accuracy involves multiplying each of the digits in the original code by some predetermined weights, summing these results, and then dividing this sum by a modulus number.

Value checks are performed for data that is:

Codes in a GUI system may be stored:

A pattern that contains symbols representing the type of data that must be present in a field is called a character map.

The systems analyst can support accurate data entry through achievement of all these broad objectives except:

A pattern that contains symbols that represent the type of data that must be present in a field is called a regular expression .

What is the purpose of using a mnemonic code for data?

Numeric codes are much easier to sort than alphanumerics.

Which is a way to read input from a source document with an optical scanner rather than off the magnetic media?

Which method is useful for scoring answer sheets for survey questionnaires?

If codes change frequently or are somewhat unstable, they should be stored as a database function in a GUI system.

________ means that the identification code for a customer should not change each time new data are received.

The process of putting ambiguous or cumbersome data into short, easily entered digits or letters is called ________.

Systems, Roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling and Prototyping

Using Data Flow Diagrams

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using Uml

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction

Quality Assurance and Implementation

Filters