Ch3

Question 1

CPU

Answer 1

Central Processing Unit, the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

Question 2

Main Memory

Answer 2

Non-removable storage such as RAM (Random Access Memory) and ROM (Read Only Memory)

Question 3

Secondary Memory

Answer 3

Removable storage such as D(Compact Disc), DVD(Digital Video Disc), Hard Drive, Flash Drive, Magnetic Tape, etc.

Question 4

I/O devices

Answer 4

screen, printer, mouse, keyboard, scanner, camera, drives,etc. This component consists of the peripheral devices that the CPU has access to. These devices either display data or enter data.

Question 5

Modal

Answer 5

window that requires users to interact with it before it can return to operating the parent application. Any wizard used to set up an application is a modal.

Question 6

base 2

Answer 6

binary code, code with 1 and 0

Question 7

base 10

Answer 7

arabic numerals, 0123456789

Question 8

bit

Answer 8

is the basic unit of information in computing and digital communications. A bit can have only one of two values.

Question 9

byte

Answer 9

8 bits

Question 10

variable

Answer 10

a value that can change, depending on conditions or on information passed to the program. x=5, x is the variable.

Question 11

literal

Answer 11

a notation for representing a fixed value in source code, anything between quotation marks.

Question 12

RHS

Answer 12

object on the right-hand-side of the equal sign

Question 13

LHS

Answer 13

object on the left-hand-side of the equal sign

Question 14

rgb

Answer 14

red, green, blue values

Question 15

new

Answer 15

reserved word used to instantiate, create, a new object