Deck 7: File Handling and Applications

Question 1

____ is the more general term for an entity that organizes files.

A) Hierarchy
B) Path
C) Structure
D) Directory

Answer 1

D

Question 2

You update the transaction file with data from the master file.

Answer 2

False

Question 3

Directories and ____ are organization units on storage devices.

A) folders
B) files
C) partitions
D) streams

Answer 3

A

Question 4

The keyboard and printer are the default input and output devices.

Question 5

You can merge more than two files.

Question 6

Characters are made up of smaller elements called ____.

A) fields
B) records
C) bits
D) bytes

Question 7

To write a program that produces a report of employees by department number, the records must be grouped by department number before you begin processing.

Question 8

Files in which records must be accessed immediately are sometimes called instant access files.

Question 9

Images and music are contained in binary files.

Question 10

Programmers usually use the word "write" to mean "produce hard copy output."

Question 11

A ____ is a collection of data stored on a nonvolatile device in a computer system.

A) computer message
B) computer interface
C) computer file
D) computer selector

Question 12

____ are groups of fields that go together for some logical reason.

A) Tables
B) Databases
C) Columns
D) Records

Question 13

When you write a program that stores a value in a variable, you are using ____ storage.

A) permanent
B) temporary
C) resilient
D) resident

Question 14

Files exist on ____ storage devices, such as hard disks, DVDs, USB drives, and reels of magnetic tape.

A) permanent
B) transient
C) scalable
D) optical

Question 15

The terms "parent" and "child" can refer to file backup generations, but they are also used for a different purpose in object-oriented programming.

Question 16

____ storage is not lost when a computer loses power.

A) Temporary
B) Intermediate
C) Permanent
D) Variable

Question 17

You can easily merge files even if each file contains a different record layout.

Question 18

A database holds groups of files or ____ that together serve the information needs of an organization.

A) fields
B) records
C) control breaks
D) tables

Question 19

When you copy data from RAM into a file on a storage device, you read to the file.

Question 20

The combination of the disk drive plus the complete hierarchy of directories in which a file resides is its ____.

A) pointer
B) path
C) locator
D) stream

Question 21

When a program uses a ____, it reads all the records in the file from beginning to end, processing them one at a time.

A) random access file
B) serial file
C) retired file
D) sequential file

Question 22

A(n) ____________________ is a small unit of storage that, for example, holds only one character in a simple text file.

Question 23

A program in which the user makes direct requests is a(n) ____________________ program.

Question 24

A ____ is a copy that is kept in case values need to be restored to their original state.

A) read-only file
B) backup file
C) primary file
D) secondary file

Question 25

When you ____ a file, it is no longer available to your application.

A) examine
B) rewrite
C) close
D) index

Question 26

When businesses store data items on computer systems, they are often stored in a framework called the data ____________________ that describes the relationships between data components.

Question 27

When you copy data from a file on a storage device into RAM, you ____ from the file.

A) delete
B) upload
C) output
D) read

Question 28

When you store data in a computer file on a persistent storage device, you ____________________ to the file.

Question 29

The ____ file holds temporary data that is used to update the master file.

A) directory
B) transaction
C) merge
D) database

Question 30

A ____ is a temporary detour in the logic of a program.

A) sequence break
B) control break
C) control sequence
D) break control

Question 31

Because they enable you to locate a particular record directly (without reading all of the preceding records), random access files are also called ____ files.

A) direct access
B) indirect access
C) sequential access
D) pointed access

Question 32

When the records in a file are sorted in order from lowest to highest values, the records are in ____ order.

A) descending
B) bubble
C) ascending
D) merged

Question 33

____ applications require that a record be accessed immediately while a client is waiting.

A) Real-time
B) Batch
C) Database
D) Sort

Question 34

In most programming languages, before an application can use a data file, it must ____.

A) open the file
B) close the file
C) read the file
D) prepare the file

Question 35

____ is processing that involves performing the same tasks with many records, one after the other.

A) Volume processing
B) Batch processing
C) Online processing
D) Standard processing

Question 36

____ files involves combining two or more files while maintaining the sequential order.

A) Merging
B) Sorting
C) Splitting
D) Dividing

Question 37

To generate a control break report, your input records must be organized in ____ order based on the field that will cause the breaks.

A) random
B) ascending
C) sequential
D) repeatable

Question 38

A ____ break is a break in the logic of the program that is based on the value of a single variable.

A) multiple-level control
B) simple control
C) serial control
D) single-level control

Question 39

The saved version of a master file is the ____ file; the updated version is the child file.

A) peer
B) subordinate
C) parent
D) child

Question 40

A(n) ____________________ file holds more temporary data than a master file.

Question 41

How do you merge two alphabetically ordered input files into a new output file when you wish the output file to be in alphabetical order?

Question 43

How are the keyboard and monitor used in most programming languages?

Question 44

What happens when you fail to close an output file?

Question 45

Explain the difference in how programmers use the words print , write , and display .

Question 46

What does the term batch processing mean?

Question 47

When might programmers use a control break program?

Question 48

List and describe three characteristics that all files have in common.

Question 49

Describe what is required to merge more than two files.

Question 50

Define and give examples of text files and binary files.

Question 51

What is a database?