Question 1

A computer that has 8 GB of RAM can store approximately eight ____ characters.

Accepted Answer

A)   million
B)   trillion
C)   gillion
D)   billion D

Question 2

A machine that has a 64-bit processor can process 64 characters at one time.

Accepted Answer

A) True 
 B)False  False

Question 3

The result of "123" + "321" is "123321".

Accepted Answer

A) True 
 B)False  True

Question 4

____________ operators provide a shortcut way to write assignment statements using the result as part of the computation.

Accepted Answer

The answer of ____________ operators provide a shortcut way to...

Question 5

The ____________ data type is a whole number,between a certain range of values,and contains no decimal point.

Accepted Answer

The answer of The ____________ data type is a whole...

Question 6

Which of the following expressions would be evaluated first? ans += v1 + v2 * v3 % 2;

Accepted Answer

A)   ans += v1
B)   v1 + v2
C)   v2 * v3
D)   v3 % 2

Question 7

The binary equivalent of 24 is ____.

Accepted Answer

A)   00000011
B)   11000000
C)   00011000
D)   00001111

Question 8

An int variable would be the most appropriate type for a memory location that will be used to store the monthly membership dues for the computer club.

Accepted Answer

A) True 
 B)False

Question 9

Hexadecimal uses the symbols 1,2,3,4,5,6,7 8,9,A,B,C,D,E,F ,G.

Accepted Answer

A) True 
 B)False

Question 10

An error will be produced when moreData is assigned the boolean variable shown above because the keyword true should be enclosed in double quotation marks.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a valid compile-time initialization for amountDue,a floating point variable of the double type,that will initially be set to zero?

Accepted Answer

A)   amountDue = 0;
B)   amountDue = '0';
C)   amountDue = 0m;
D)   amountDue = 0f;

Question 12

A valid string literal representing the last month of the year is ____.

Accepted Answer

A)   12
B)   "December"
C)   lastMonthOfTheYear
D)   December

Question 13

Classes are actually implemented through types in C#.

Accepted Answer

A) True 
 B)False

Question 14

With only eight bits,you can represent 2? or 256 different decimal values.

Accepted Answer

A) True 
 B)False

Question 15

The value 3.42e-4 is equivalent to _____.

Accepted Answer

A)   3420000
B)   .000342
C)   -3.420000
D)   -.000342

Question 16

____________ makes a variable temporarily behave as if it is a different type.

Accepted Answer

The answer of ____________ makes a variable temporarily behave as...

Question 17

The bool data type can take on values of true/false or on/off.

Accepted Answer

A) True 
 B)False

Question 18

The base-2 number system is also called the binary number system.

Accepted Answer

A) True 
 B)False

Question 19

A(n)____________ represents an area in the computer memory where a value of a particular data type can be stored.When you declare a(n)____________,you allocate memory for that data item in your program.

Accepted Answer

The answer of A(n)____________ represents an area in the computer...

Question 20

The result of 25 % 4 is 6.25.

Accepted Answer

A) True 
 B)False

Exam 2: Data Types and Expressions

A computer that has 8 GB of RAM can store approximately eight ____ characters.

A machine that has a 64-bit processor can process 64 characters at one time.

The result of "123" + "321" is "123321".

____________ operators provide a shortcut way to write assignment statements using the result as part of the computation.

The ____________ data type is a whole number,between a certain range of values,and contains no decimal point.

Which of the following expressions would be evaluated first? ans += v1 + v2 * v3 % 2;

The binary equivalent of 24 is ____.

An int variable would be the most appropriate type for a memory location that will be used to store the monthly membership dues for the computer club.

Hexadecimal uses the symbols 1,2,3,4,5,6,7 8,9,A,B,C,D,E,F ,G.

An error will be produced when moreData is assigned the boolean variable shown above because the keyword true should be enclosed in double quotation marks.

Which of the following is a valid compile-time initialization for amountDue,a floating point variable of the double type,that will initially be set to zero?

A valid string literal representing the last month of the year is ____.

Classes are actually implemented through types in C#.

With only eight bits,you can represent 2? or 256 different decimal values.

The value 3.42e-4 is equivalent to _____.

____________ makes a variable temporarily behave as if it is a different type.

The bool data type can take on values of true/false or on/off.

The base-2 number system is also called the binary number system.

A(n) represents an area in the computer memory where a value of a particular data type can be stored.When you declare a(n),you allocate memory for that data item in your program.

The result of 25 % 4 is 6.25.