quiz 1

Question 1

what is primary memory

Answer 1

central processing unit (CPU)

Question 2

what is secondary memory. ex.

Answer 2

device that stores information permanently. ex. hard disk, flash drives, and cd roms.

Question 3

Int values= 
bool values=
char values= 
Double value- 
Float value -

Answer 3

Int values= -2^31 to 2^31 storage 4 bytes
bool values= true and false storage 1 byte
char values= -2^7 to 2^7 storage 1 byte
Double value- -1.710^308 to 1.710^308 storage 8 bytes
Float value -3.410^38 to 3.410^38 storage 4 bytes

Question 4

input devices

Answer 4

keyboard, mouse, scanner, camera

Question 5

output devices

Answer 5

monitor, printer, and secondary storage

Question 6

Programming environment problem solving process
1.
2.
3.

Answer 6

Programming environment problem solving process

1. Analyze and outline the problem and its solution requirements, and design an algorithm to solve the problem.
2. Implement the algorithm in a programming language, and verify it works.
3. Maintain the program by using and modifying it if the problem domain changes.

Question 7

Compiler-

Answer 7

Compiler- translates a program written in a high-level language into machine language

Question 8

Byte-

Answer 8

Byte- eight bits

Question 9

Assembler-

Answer 9

Assembler- translates a program written in assembly language into machine language. Assembly language instructions are mnemonic

Question 10

Linker-

Answer 10

Linker- a program that combines the object program with other programs in the library and is used in the program to create the executable code.

Question 11

Loader-

Answer 11

Loader- a program that loads an executable program into main memory.

Question 12

identifiers does and donts

Answer 12

donts: cant start with a number, no special symbols, space
does: upper case, lower case, letters, digits, underscore