Chapter 1

Question 1

What is a computer?

Answer 1

It is an electronic device capable of performing commands such as input and output in terms of data, storage and performance of arithmetic and logical operations.

Question 2

What are some major hardware components of a computer?

Answer 2

CPU(central processing unit), main memory(RAM), input/output devices and secondary storage.

Question 3

What is the central processing unit?

Answer 3

It is the “brain” of the computer and most expensive piece of hardware in a computer.

Question 4

What is the Random Access Memory?

Answer 4

Place where all programs must be loaded into RAM before they can become executed.

Question 5

Secondary Storage what is it?

Answer 5

The driver that stores information permanently for a computer

Question 6

What are input devices?

Answer 6

A device that feeds data and programs into a computer

Question 7

What are output devices?

Answer 7

A device that the computer uses to display results

Question 8

System programs

Answer 8

A program that controls the computer

Question 9

Operating systems

Answer 9

Monitors the overall activity of the computer and provides services

Question 10

Application programs

Answer 10

A software program that performs a specific task

Question 11

Analog signals

Answer 11

A continuous wave form used to represent such things as sound

Question 12

Digital signals

Answer 12

Represents information with a sequence of 0s and 1s

Question 13

Machine language

Answer 13

The language of a computer; a sequence of 0s and 1s

Question 14

Binary digit

Answer 14

The digit 0 or 1

Question 15

Binary code

Answer 15

A sequence of 0s and 1s

Question 16

Byte

Answer 16

A sequence of eight bits

Question 17

Kilobyte

Answer 17

Abbreviated KB - 1024, or 210 bytes

Question 18

American Standard Code for information interchange

Answer 18

American Standard Code for Information Interchange - the most commonly used encoding scheme for personal computers; the ASCII data set uses seven bits to represent 128 characters, numbered from 0 to 127

Question 19

Assembler

Answer 19

A program that translates a program written in assembly language into an equivalent program in machine language.

Question 20

High-level langauge

Answer 20

A programming language that is similar to natural speaking languages

Question 21

Complier

Answer 21

A program that translates instructions written in a high-level language into the equivalent machine language.

Question 22

Source code

Answer 22

A program written in high-level language.

Question 23

Preprocessor

Answer 23

A program that processes statements in a C++ program that begin with the symbol #

Question 24

Object program

Answer 24

The machine language version of the high-level language program.

Question 25

Library

Answer 25

Includes prewritten code

Question 26

Linker

Answer 26

A program that loads an executable program into main memory.

Question 27

Build or rebuild

Answer 27

The command that does the linking on Visual C++ and Visual Studio

Question 28

Algorithm

Answer 28

A step-by-step problem solving process in which a solution is arrived at in a finite amount of time.

Question 29

What are the steps to analyzing a problem?

Answer 29

1. Understand the algorithm thoroughly.
2. Understand the problem requirements.
3. If the problem is complex, divide the problem into subproblems and repeat Steps 1 and 2.

Question 30

Structured design

Answer 30

The act of dividing a problem into smaller subproblems

Question 31

Structured Programming

Answer 31

The process of implementing a structured design