430908
Descrição
Quiz por Angela Knott, atualizado more than 1 year ago
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Criado por Angela Knott
mais de 10 anos atrás
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Questão 1
Questão
Which type of variable is visible to every module and the entire program?
Responda
-
local
-
global
-
reference
-
pass by value
-
pass by reference
Questão 2
Questão
The scope of the parameter variables is the entire program and it is visible to any statement in the program
Responda
-
true
-
false
Questão 3
Questão
A module can have two variables of the same name because they are within the same scope
Responda
-
true
-
false
Questão 4
Questão
To execute a module, we must ____ it
Responda
-
compile
-
parse
-
define
-
debug
-
call
Questão 5
Questão
When an argument is passed by value, the communication channel works only in one direction.
Responda
-
true
-
false
Questão 6
Questão
_________ variables are useful for establishing two-way communication between modules.
Responda
-
constant
-
I/O
-
reference
-
value
-
none of the above
Questão 7
Questão
The top-down design process is sometimes called stepwise refinement.
Responda
-
true
-
false
Questão 8
Questão
The module definition comprises the module header and the module _________.
Responda
-
arguments
-
body
-
parameters
-
statements
-
call
Questão 9
Questão
Which of the following is not a benefit of using modules?
Responda
-
simpler code
-
code reuse
-
better testing
-
faster development
-
none of the above
Questão 10
Questão
The following is an example of a module _______.
Call showNetPay( )
Responda
-
header
-
body
-
display
-
definition
-
execution
Questão 11
Questão
When an argument is passed by ______., it is not affected by a change of the content of the parameter variable.
Responda
-
reference
-
constant
-
variable
-
value
-
none of the above
Questão 12
Questão
The arguments in a module call and the parameters listed in the module header must be of compatible data types.
Responda
-
true
-
false
Questão 13
Questão
Passing an argument by ____ means that only a copy of the argument's value is passed into the parameter variable.
Responda
-
constant
-
value
-
reference
-
variable
-
none of the above
Questão 14
Questão
The scope of the variable is the segment of the program in which the variable can be accessed.
Responda
-
true
-
false
Questão 15
Questão
In most languages a module definition has three parts: a header, body, and a footer.
Responda
-
true
-
false
Questão 16
Questão
Which type of variable is not recommended to be used in programs because they make programs hard to understand and debug?
Responda
-
reference
-
global
-
pass by reference
-
pass by value
-
local
Questão 17
Questão
Modules can be written for commonly needed tasks and those modules can be incorporated into each program that needs them.
Responda
-
true
-
false
Questão 18
Questão
A pass by reference argument established a two-way communication with the module, but the value of the argument cannot be modified via the reference variable.
Responda
-
true
-
false
Questão 19
Questão
A bit that is turned off is represented by the value -1.
Responda
-
true
-
false
Questão 20
Questão
RAM is a volatile memory used for temporary storage while a program is running.
Responda
-
true
-
false
Questão 21
Questão
The process known as the _____ cycle is used by the CPU to execute instructions in a program.
Responda
-
decode-execute-fetch
-
execute-decode-fetch
-
decode-fetch-execute
-
fetch-decode-execute
-
fetch-execute-decode
Questão 22
Questão
What functions(s) does an interpreter perform with the instructions in a high level programming language?
Responda
-
translates
-
compiles
-
compiles and translates
-
translates and execute
-
execute
Questão 23
Questão
The following is an example of an instruction written in which computer language?
10110000
Responda
-
JAVA
-
C#
-
C++
-
Machine Language
-
Assembly Language
Questão 24
Questão
Programs that use an interpreter generally execute faster than compiled programs because they are already entirely translated into machine language when executed.
Responda
-
true
-
false
Questão 25
Questão
The main reason for using secondary storage is to hold data for long periods of time, even when the power to the computer is turned off.
Responda
-
true
-
false
Questão 26
Questão
Most programs written in high-level language need to be translated into machine language.
Responda
-
true
-
false
Questão 27
Questão
Programs that make a computer useful for everyday tasks are known as _______.
Responda
-
utility programs
-
system software
-
application software
-
operation system
-
none of the above
Questão 28
Questão
The term used for a set of rules that must be strictly followed when writing a program is ________.
Responda
-
semantics
-
punctuations
-
syntax
Questão 29
Questão
The CPU understands instructions in machine language, which are written in binary.
Responda
-
true
-
false
Questão 30
Questão
Which computer language uses short words known as mnemonics for writing programs?
Responda
-
Java
-
Visual Basic
-
Pascal
-
Assembly
-
C#
Questão 31
Questão
Assembly language is referred to as a low-level language because it is close to the C++ language.
Responda
-
true
-
false
Questão 32
Questão
It has been proven by a group of mathematicians that all programs can be written using only three structures.
Responda
-
true
-
false
Questão 33
Questão
A variable is a storage location in memory that is represented by a name and can hold different values during the execution of the program.
Responda
-
true
-
false
Questão 34
Questão
What term is used for a string that appears in the actual code of the program?
Responda
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virtual string
-
hard copy
-
strongly typed
-
string literal
-
none of the above
Questão 35
Questão
Most programming languages do not automatically print spaces between multiple items that are displayed on the screen.
Responda
-
true
-
false
Questão 36
Questão
A ______ structure is a set of statements that execute in the order that they appear.
Responda
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sequence
-
control
-
repetition
-
decision
-
none of the above
Questão 37
Questão
A sequence of characters that is used as data is called a string in programming.
Responda
-
true
-
false
Questão 38
Questão
Programmers start writing code as the first step when they begin a new project.
Responda
-
true
-
false
Questão 39
Questão
The expressions (a+b) / c and a + b /c will always yield identical results.
Responda
-
true
-
false
Questão 40
Questão
Which of the following is not a variable data type?
Responda
-
integer
-
number
-
real
-
string
-
none of the above
Questão 41
Questão
Although the sequence structure is heavily used in programming, it cannot handle every type of task.
Responda
-
true
-
false
Questão 42
Questão
A case structure is a ________ alternative decision structure.
Responda
-
dual
-
multiple
-
single or dual
-
single
-
all of the above
Questão 43
Questão
What type of operators are the following?
> = = = ! =
Responda
-
boolean
-
mathematical
-
relational
-
logical
-
none of the above
Questão 44
Questão
An If statement will produce unpredictable results if the programmer does not use proper indentations in psuedocode
Responda
-
true
-
false
Questão 45
Questão
Decision structures are also known as selection structures
Responda
-
true
-
false
Questão 46
Questão
It is possible to write a complete program using only a decision structure
Responda
-
true
-
false
Questão 47
Questão
Which operator is best to determine whether x contains a value in the range of 10 through 57?
Responda
-
AND
-
==
-
NOT
-
OR
-
none of the above
Questão 48
Questão
The first line of the case structure starts with the word CASE followed by the test expression.
Responda
-
true
-
false
Questão 49
Questão
What two logical operators perform short circuit evaluation?
Responda
-
AND and OR
-
NOT and OR
-
AND and NOT
-
all of the above
-
none of the above
Questão 50
Questão
Which operator is used to determine that the operands are not exactly of the same value?
Responda
-
==
-
=!
-
=
-
!
-
none of the above
Questão 51
Questão
In an expression with an OR operator, it does not matter which sub expression is true for the compound expression to be true.
Responda
-
true
-
false
Questão 52
Questão
What type of operator can be used to determine whether a specific relationship exists between two values?
Responda
-
mathematical
-
logical
-
relational
-
boolean
-
none of the above
Questão 53
Questão
Which of the following is a logical operator?
Responda
-
NOT
-
AND
-
OR
-
all of the above
-
none of the above
Questão 54
Questão
In many languages the case structure is called a _____ statement.
Responda
-
branch
-
selective
-
jump
-
switch
Questão 55
Questão
A nested decision structure can be used to test more than one condition.
Responda
-
true
-
false
Questão 56
Questão
A nested decision structure can be used to test more than one condition.
Responda
-
true
-
false
Questão 57
Questão
If the expression is false, the ________ operator will return true.
Responda
-
AND
-
OR
-
NOT
-
All of the above
Questão 58
Questão
The if-then-else statement should be used to write a single alternative decision structure
Responda
-
true
-
false
Questão 59
Questão
A file that data is written to is known as a(n)
Responda
-
output file
-
sequential access file
-
binary file
Questão 60
Questão
A file that data is read from is known as a(n)
Responda
-
input file
-
output file
-
sequential access file
-
binary file
Questão 61
Questão
Before a file can be used by a program it must be
Responda
-
formatted
-
encrypted
-
closed
-
opened
Questão 62
Questão
This type of file contains data that has not been converted to text.
Responda
-
text file
-
binary file
-
English file
-
human readable file
Questão 63
Questão
This is a character or set of characters that marks the end of a piece of data
Responda
-
median value
-
delimeter
-
boundary marker
-
EOF marker
Questão 64
Questão
This is a character or set of characters that mark the end of a file
Responda
-
delimeter
-
boundary marker
-
EOF marker
Questão 65
Questão
This marks the location of the next item that will be read from a file
Responda
-
input position
-
delimeter
-
pointer
-
read position
Questão 66
Questão
When a file is opened in this mode, data will be written at the end of the file's existing contents
Responda
-
append mode
-
backup mode
-
read-only mode
Questão 67
Questão
When working with a sequential access file, you can jump directly to any piece of data in the file without reading the data that comes before it.
Responda
-
true
-
false
Questão 68
Questão
In most languages, when you open an output file and that file already exists on the disk, the contents of the existing file will be erased
Responda
-
true
-
false
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