Chapter 1

Question 1

Hardware

Answer 1

-Components within the system case
-Peripheral devices

Question 2

Software

Answer 2

-Operating system (OS)
-Application/Apps

Question 3

Basics of Computing and Processing

Answer 3

User selects a command or inputs data
-Command or data is converted into simple instructions by the applications software and OS
-Instructions are stored in system memory-Random access memory (RAM)
Central Processing Unit retrieves each instruction or data file from memory and processes it
CPU then writes the result back to memory and directs other components to perform actions
Digital data is binary (1s and 0s)
Transistors in CPU and RAM can have on or off states that represent 1 or 0

Question 4

Input

Answer 4

-Peripheral devices
-Mice, keyboards, scanners, cameras, and microphones

Question 5

Processing

Answer 5

-Memory
-CPU
-Software Instructions

Question 6

Output

Answer 6

-Peripheral devices
-Monitor or loudspeaker system

Question 7

Storage

Answer 7

-Hard disks or optical discs

Question 8

IT in business started with mainframe computers in the 1960s and 1970s

Answer 8

-Very large
-No 1:1 interface with users

Question 9

Servers

Answer 9

-Server can mean any computer providing services
-Server-class hardware supports many users and is very reliable
-Redundancy and fault tolerance
-Rack-mounted form factors

Question 10

Original Equipment Manufacturers

Answer 10

OEM

Question 11

Internet of things (IoT)

Answer 11

-Home automation
-Modern cars and drones
-Medical devices