Reference no: EM132360955

Question 1 : Which language does a computer know?

A. Java

B. C++

C. high-level

D. machine language

Question 2 : Misuse of a language's grammar rules is called a(n) ____ error.

A. illegal

B. logical

C. syntax

D. semantic

Question 3 : In the following statement, which operation is done third?answer = a + b + c * d / e - f

A.  a+b

B.  b+c

C.  e-f

D.  d/e

Question 4 : An AND decision can be constructed using a ____ decision.

A. nested

B. stacked

C. combined

D. dual

Question 5 : A variable declaration is a statement that provides a data type and identifier for a variable

True

False

Question 6 : An algorithm is the sequence of steps necessary to solve a problem.

True

False

Question 7 : The ____ variable is initialized before entering the loop.

A. loop ending

B. ending control

C. interrupt control

D. loop control

Question 8 : What will be the value stored in the variable total when the following code completes executing:

count = num
total = num = 0

For count = 1 to 10

total = total + count

endfor

A. 10

B. 55

C. 45

D. 0

Question 9 : All of the variables in an array have the same name and data type but are differentiated with special numbers called subscripts.

True

False

Question 10 : An error commonly made by beginning programmers is to forget that array subscripts start with the integer 1.

True

False

Question 11 : The piece of hardware that performs processing tasks is the central data unit.

True

False

Question 12 : The two major components of any computer system are its hardware and its software.

True

False

Question 13 : Many programming languages allow you to use ____ to force an expression to evaluate first.

A. a pound sign

B. an asterisk

C. parentheses

D. quotation marks

Question 14 : A loop control variable's value is tested to control the loop's execution.

True

False

Question 15 : When you combine AND and OR operators within the same statement, the AND operators take precedence.

True

False

Question 16 : What is the answer for the following operation: (3+5) * 10 - 4/8

A. 79.5

B. 9.5

C. 47.7

D. 76

Question 17 : What operator has the lowest precedence?
A.  +

B.  /

C.  *

D.  =

Question 18 : The selection structure is also called an if-then structure.

True

False

Question 19 : The body of a loop can contain only a limited number of statements.

True

False

Question 20 : ____ a data item means you override incorrect data by setting the variable to a specific value.

A. Forcing

B. Incrementing

C. Initializing

D. Terminating

Question 21 : Program comments are nonexecuting statements.

True

False

Question 22 : To use computer programs, you must first load them into memory.

True

False

Question 23 : A noun would be a good choice for a variable or constant identifier.

True

False

Question 24 : What would be the output of the following expression if the temperature outside is 30 degrees?

If temperature >=35 and temperature <= 55 then

output "it is cold outside"

else output "The weather is nice today"

A. The weather is nice today

B. The temperature is 45

C. it is cold outside

D. none of the above

Question 25 : When using the OR operator, an action is taken when at least one of the comparisons evaluates to true.

True

False