Chapter 1

Question 0

Internet

Answer 0

Global computer network developed as a military project

Question 1

Digital revolution

Answer 1

Ongoing process of social, political, and economic change brought by digital technology l, such as computers and the Internet.

Question 2

Four phases of the digital revolution

Answer 2

Data processing
Personal computing
Network computing
Cloud computing

Question 3

Digitization

Answer 3

Process of converting text, numbers, sound, photos, or video Ito data that can be processed by a computer

Question 4

Local software

Answer 4

Any software that is installed on a computers hard drive

Question 5

Convergence

Answer 5

Process by which several technologies with distinct functionalities evolve to form a single product

Question 6

Intellectual property

Answer 6

Ownership of certain types of info, ideas or representations(patented, copyrighted material)

Question 7

Pirating

Answer 7

Illegal copying and distribution of copyrighted material

Question 8

Computer

Answer 8

Multipurpose device that accepts input, processes data, stores data, and produces output according to a series of stored instructions l.

Question 9

Memory

Answer 9

Temporarily holds data waiting to be processed

Question 10

Storage

Answer 10

Area where data can be left permanently, not immediately needed for processing

Question 11

File

Answer 11

Collection of data that exists on a storage medium

Question 12

Software

Answer 12

Computer program forms software that sets up a computer to do a specific task.

Question 13

Computer program

Answer 13

Series of instructions that tells a computer how to carry out processing tasks

Question 14

Cpu

Answer 14

Brain of the computer, where most processing takes place. Can process data by performing calculations, sorting lists of words or numbers, modifying documents or drawing pictures

Question 15

Microprocessor

Answer 15

Cpu or most modern computers

Question 16

Stored program

Answer 16

Series of instructions for a computing task can be loaded into a computers memory. Most important characteristic that distinguishes it from calculators etc.

Question 17

Workstation

Answer 17

Ordinary personal computer that is connected to a network. A perosonal desktop computer designed for high performance tasks

Question 18

Microcontroller

Answer 18

Special-purpose microprocessor that can control a device.

Question 19

Data representation

Answer 19

Form in which data is stored, processed and transmitted

Question 20

Digital data

Answer 20

Text numbers etc that has been converted to 1s and 0s

Question 21

Data becomes information when

Answer 21

It is presented in a format that people can understand

Question 22

Binary number system

Answer 22

Numeric data of 0 and 1

Question 23

Represent character data with

Answer 23

ASCII, EBCDIC, Unicode

Question 24

Integrated circuit

Answer 24

Computer chips, super thin slice of semiconducting material packed with microscopic elements such as wires

Question 25

System board

Answer 25

Houses all essential chips and provides connecting circuitry between them.

Question 26

Source code

Answer 26

Human-readable version of a program created in a high level language by a programmer

Question 27

Op code and Operand

Answer 27

Op code Command Word for an operation such as add. Operand species the instruction such as 1. So instruction means add1

Question 28

Compiler

Answer 28

Or interpreter converts the source code into object code(the resulting collection of instructions)

Question 29

Instruction set

Answer 29

Collection of preprogrammed activities

Question 30

ALU(arithmetic logic unit)

Answer 30

Part of the microprocessor that performs arithmetic operations such as addition and subtraction. Holds registers to hold data that is being processed.

Question 31

ALU control unit

Answer 31

Fetches each instruction, sends data to registers and signals the ALU to begin processing

Question 32

Instruction cycle four activities

Answer 32

Fetch instruction
Interpret instruction
Execute instruction
Increment pointer to next instruction

Question 33

Authentication protocols

Answer 33

Refer to any method that confirms a persons identity using something the person know, something the person possesses, or something the person is.

Question 34

Identity theft

Answer 34

Someone gains access to your personal data and uses it illegally

Question 35

Dictionary attack

Answer 35

Helps hackers guess your password by using commonly used passwords

Question 36

Brute force attack

Answer 36

Uses password cracking software

Question 37

Sniffing

Answer 37

Intercepts information set out over computer networks

Question 38

Phishing

Answer 38

Hacker poses as a legit rep. Like bank etc

Question 39

Key logger

Answer 39

Software that secretly records a users keystrokes and send the info to a hacker

Question 40

Password manager

Answer 40

Stores user Ids with their passwords and automatically fills in login forms

Question 41

Data refers to

Answer 41

The symbols that represent facts, objects and ideas.

Question 42

Application software

Answer 42

Set of programs that helps a person carry out a task… Aka apps

Question 43

Download

Answer 43

Copying file from server to client

Question 44

Upload

Answer 44

Copying files from client to sever

Question 45

Analog data vs discrete

Answer 45

Analog uses an infinite scale, like a dimming switch