Quiz9-Files

Question 1

In current gaming software, it is rare for data files to be needed.(T/F)

Answer 1

False

Question 2

The data saved in a file will remain there after the program ends but will be erased when the computer is turned off. (T/F)

Answer 2

False

Question 3

In a text file, all data is stored as a series characters.(T/F)

Answer 3

True

Question 4

All types of files can be viewed correctly in a simple text editor. (T/F)

Answer 4

False

Question 5

Sequential access files are easy to work with because you can immediately jump to any piece of data without reading all the data before it.(T/F)

Answer 5

False

Question 6

The use of a buffer increases the system’s performance because writing data to memory is faster than writing data to a disk.(T/F)

Answer 6

True

Question 7

When an input file is opened, the read position is initially set to the first item in the file.(T/F)

Answer 7

True

Question 8

The term “output file” describes a file that data is read from.(T/F)

Answer 8

False

Question 9

In a file a record is a complete set of data about an item and a field is an individual piece of data within a record.(T/F)

Answer 9

True

Question 10

It is possible to manipulate data in a file directly without saving its contents to an array or anywhere else in a program. (T/F)

Answer 10

False

Question 11

A file specification document describes the fields that are used in a file and is used to help programmers understand how the data is organized before they begin writing programs to manipulate that data.(T/F)

Answer 11

True

Question 12

Control break logic is used when the programmer wants a program to terminate immediately.(T/F)

Answer 12

False

Question 13

Programmers usually refer to the process of saving to a file as ___________ to a file.

Answer 13

Writing

Question 14

When a web page is visited, the browser may store a small file on the user’s computer. This file is known as a ______________.

Answer 14

Cookie

Question 15

Opening a(n) _____________ file creates a file on disk and allows the program to write data to it.

Answer 15

Output

Question 16

A character or set of characters that marks the end of a piece of data is known as a(n) _____________.

Answer 16

Delimiter

Question 17

In the ___________ step, the data is either written to the file or read from the file.

Answer 17

Processing

Question 18

Which type of file CANNOT be viewed in a text editor such as Notepad?

Answer 18

Binary file

Question 19

When using __________ access, access to the data starts at the beginning of the file and proceeds through all the records to the end of the file.

Answer 19

Sequential

Question 20

When using __________ access, the code can access any piece of data without reading all the data that came before it in the file.

Answer 20

Direct

Question 21

In the pseudocode of the textbook, what does the following statement indicate?

Declare OutputFile itemsOrdered

A) itemsOrdered is the internal name used to work with the contents of a file

B) itemsOrdered is a file on disk and the program will read data from it

D) None of these statements are true

Answer 21

A) itemsOrdered is the internal name used to work with the contents of a file

Question 22

In the pseudocode of the textbook, what does the following statement indicate?

Write itemsOrdered “widgets”

A) The file named itemsOrdered will be renamed widgets

B) The string “widgets” will be written to the file associated with itemsOrdered

C) itemsOrdered is a file on disk and the program will write the string “widgets” to it

Answer 22

B) The string “widgets” will be written to the file associated with itemsOrdered

Question 23

In order to process the data in a file, first you must ____________ the file and then ____________ the data into memory.

A) Input, Write

B) Open, loop

C) Open, Read

Answer 23

C) Open, Read

Question 24

The eof function _______________.

A) Accepts a file’s internal name as an argument and returns TRUE if the end of the file has been reached.

B) Accepts a file’s internal name as an argument and returns FALSE if the end of the file has been reached.

Answer 24

A) Accepts a file’s internal name as an argument and returns TRUE if the end of the file has been reached.

Question 25

Given the following pseudocode, what is the name of the file on the disk?

Declare String item
Declare Integer numOrdered
Declare InputFile stuffBought
Open stuffBought “inventory.dat”
Display “Your orders:”
While NOT eof(stuffBought)
Read stuffBought item, numOrdered
Display item, “: “, numOrdered
End While
Close stuffBought

A) stuffBought
B) inventory.dat

Answer 25

B) inventory.dat

Question 26

Given the following pseudocode, what is the internal name used to work with the file on disk?

Declare String item
Declare Integer numOrdered
Declare InputFile stuffBought
Open stuffBought “inventory.dat”
Display “Your orders:”
While NOT eof(stuffBought)
Read stuffBought item, numOrdered
Display item, “: “, numOrdered
End While
Close stuffBought

A) stuffBought
B) inventory.dat

Answer 26

A) stuffBought

Question 27

Which of the following expressions is equivalent to the pseudocode shown here?

NOT eof(myStuff)

A) eof(myStuff) == False

B) eof(myStuff) == True

C) not eof == myStuff

Answer 27

A) eof(myStuff) == False