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Question 1 True/False 1 points Modify Remove

Question The CPU is considered the "brain" of the computer. Answer True False Add Question Here

Question The bus is a group of parallel wires that carry control signals and data between the other components.

Answer True False Add Question Here

Question Main memory is often referred to as RAM. Answer True False Add Question Here

Question All computers store values using the decimal number system. Answer True False Add Question Here

Question Only one program can be stored in memory at a time. Answer True False Add Question Here

Question Putting data into a particular memory address is known as a READ. Answer True False Add Question Here

Question 7 Multiple Choice 1 points Modify Remove

Question Main memory is considered volatile because Answer it may change at any time without warning. the contents of memory are lost when the computer is turned off.

the contents of memory are the same each time the computer is turned on. the memory may be easily removed from the computer. Add Question Here Question 8 Multiple Choice 1 points Modify Remove

Question Secondary storage is considered persistent because Answer it may change at any time without warning. the contents of memory are lost when the computer is turned off.

unless problems occur, the information isn't corrupted when the computer is turned off. the memory may be easily removed from the computer. Add Question Here

Question Each cell of memory is numbered and that number is referred to as the cell's Answer block.

identity. address. size. Add Question Here

Question A byte is composed of Answer 2 bits. 4 bits. 8 bits. 16 bits. Add Question Here

Question Secondary storage refers to: Answer swap or virtual memory, which creates the illusion of more RAM on the system.

RAM. ROM. devices such as hard disks, tapes, or floppy disks. Add Question Here

Question 12 Fill in Multiple Blanks 1 points Modify Remove

Question For logical operations, we consider a 1 to be [a]______and a 0 to be [b]______.

Answers for: a on,On,ON Answers for: b OFF,Off,off Add Question Here

Question The operating system gives the illusion of several jobs executing simultaneously through the use of time sharing.

Question The operating system is considered applications software. Answer True False Add Question Here

Question UNIX filenames are case sensitive. Answer True False Add Question Here

Question The UNIX command to copy a file is 'copy' . Answer True False Add Question Here

Question It is possible to have more than one operating system available to run on a single machine.

Question In UNIX we can combine commands using the pipe, | . Answer True False Add Question Here

Question Directories and subdirectories are hierarchical in nature. Answer True False Add Question Here

Question The UNIX command to list the files in a directory is 'lst'. Answer True False Add Question Here

Question 21 True/False 1 points Modify Remove Question The UNIX command to create a new directory is 'mkdir' . Answer True False Add Question Here

Question The UNIX command to delete a directory is 'del' . Answer True False Add Question Here

Question The UNIX command to display the contents of a file is 'cat' . Answer True False Add Question Here

Question The coordination of a computer's activities is handled by Answer the operating system. peripheral devices. the computer operator. the keyboard. Add Question Here

Question Which of the following is an operating system? Answer pico emacs UNIX pine Add Question Here

Question pine is an example of a(n) Answer text editor. operating system. e-mail utility. word processor. Add Question Here

Question UNIX is an example of a(n) Answer text editor. operating system. e-mail utility. word processor. Add Question Here

Question emacs and pico are examples of Answer text editors. operating systems. e-mail utilities. word processors. Add Question Here

Question The UNIX command to delete a file is Answer mv del rm pwd Add Question Here

Question The notation .. (dot-dot) refers to the Answer parent directory. current directory. child directory. home directory. Add Question Here

Question The notation . (dot) refers to the Answer parent directory. current directory. child directory home directory. Add Question Here

Question 32 Fill in the Blank 1 points Modify Remove

Question The computer's start-up procedure is called ______.

Answer boot, Boot, BOOT, booting, Booting, BOOTING Add Question Here

Question Explain what the following UNIX command does. cd ______Answer changes directory Add Question Here

Question The interface between the operating system and the user is called the ______. Answer user interface, User Interface, USER INTERFACE, User interface, user Interface Add Question Here

Question The UNIX command that when typed will return what directory you are currently in is ______. Answer pwd Add Question Here

Question An example of a wildcard character used by UNIX commands is ______.

Answer * ? Add Question Here

Question The study of algorithms began in the 1900's when electronic computers began to be used.

Question The best definition of an algorithm is Answer a step by step solution to a problem. a finite set of unambiguous executable instructions that directs a

terminating activity. a general solution to a problem. a finite set of steps that solve a problem. Add Question Here

Question The study of algorithms began Answer when the first computer was invented. as a subject in mathematics. in the 1800's. in the 1940's. Add Question Here

Question The concept or meaning represented by an algorithm is known as its Answer control structure. sequence. semantics. syntax. Add Question Here Question 41 Multiple Choice 1 points Modify Remove

Question Pseudocode Answer is English phrases or formulas used to express each step of a problem. could include code structures such as If/Else or While. is a notation used to express an algorithm. is all of the above. is none of the above. Add Question Here

Question 'int' is a keyword in C. Answer True False Add Question Here

Question In the C programming language, variable names can have at most 8 characters.

Question A function with return type 'void' always returns the value '0'. Answer True False Add Question Here

Question The preprocessor directive '#include ' instructs the preprocessor to place the contents of the file 'foo.h' into the code at that point.

Question The '#include' preprocessor directive is used to insert one file into another.

Question The preprocessor directive #define RING 1 tells the C preprocessor to replace each occurrence of the constant RING with 1. Answer True False Add Question Here

Question All variables must be declared and given a type before they are used Answer True False Add Question Here

Question You must use the newline ('\n') character to start printing at the beginning of the next line.

Question A C program that prints three lines of output must contain three 'printf' statements.

Question '3d' is a legal identifier in C Answer True False Add Question Here

Question '__yes' is NOT a legal identifier in C Answer True False Add Question Here

Question 'me_to-2' is a legal identifier in C. Answer True False Add Question Here

Question 'XyYzZx' is a legal identifier in C. Answer True False Add Question Here Question 55 True/False 1 points Modify Remove

Question 'star*it' is a NOT legal identifier in C. Answer True False Add Question Here

Question 'main' is a legal identifier in C. Answer True False Add Question Here

Question 'ABC123' is a legal identifier in C. Answer True False Add Question Here

Question 'm' is NOT a legal identifier in C. Answer True False Add Question Here

Question 'money$' is a legal identifier in C. Answer True False Add Question Here

Question If a is a variable of type int, the statement a = 17.76 is an expression with type int and value 17.

Question If a is a variable of type int, the statement a = 17.76 is an expression with type double and value 17.76.

Question 62 True/False 1 points Modify Remove Question If a is a variable of type int, the statement a = 17.76 is an expression with type double and value 17.

Question The statement printf("%d\n", 3, 5); prints the number 3 five times. Answer True False Add Question Here

Question '1more' is a legal identifier in C Answer True False Add Question Here

Question 'to_dec' is a legal identifier in C Answer True False Add Question Here

Question 'forget-it' is a legal identifier in C Answer True False Add Question Here

Question 'hex2dec' is a legal identifier in C. Answer True False Add Question Here

Question 'floater' is a legal identifier in C. Answer True False Add Question Here

Question 'horrendous' is a legal identifier in C. Answer True False Add Question Here

Question 'rub-a-dub-dub' is not a legal identifier in C. Answer True False Add Question Here

Question 'Let_it_be_me' is not a legal identifier in C. Answer True False Add Question Here

Question 'two+four' is not a legal identifier in C. Answer True False Add Question Here

Question 'UPPER' is not a legal identifier in C. Answer True False Add Question Here

Question 'l_o_n_g' is not a legal identifier in C. Answer True False Add Question Here

Question '_3angle' is not a legal identifier in C. Answer True False Add Question Here