Hardware and Software

Describe any FOUR (4) of the issues in software. ❓

1 - Hardware

Components. Refer to Figure 3.1 p.88

1- 1 Processing Devices (p.88 from textbook)

1-5 Output Devices

1-4 Input Devices p.108, Slide# 26

1-3 Secondary Storage

Control Unit

Arithmetic / Logic Unit

Memory (Primary Storage Area)

What are the 4 components of a hardware? ❓

These three are the components of a CPU of a computer ⭐

1 -2 Memory (Primary Storage)

Types

Reference: https://www.avast.com/c-what-is-ram-memory ⭐

ROM and RAM is the acronym for ___ and __ respectively ❓

directly accessing the CPU

provide data to a computer used for interaction and control. It allows input of raw data to the computer for processing.

Reference: https://teachcomputerscience .com/input-devices/ ⭐

receive information from the computer, and carry data that has been processed by the computer to the user.

List TWO (2) examples of an output device ❓

List TWO (2) examples of an input device ❓

Reference: https://teachcomputerscience.com/output-devices/ ⭐

Def: Secondary storage refers to storage devices and media that are not constantly accessible by a computer system.

Reference: https://pc.net/glossary/definition/secondarystorage

Types

HDD

SSD

Optical

Enterprise p.102

Storage Area Network

Cloud-based Storage (Storage as a Service)

What is HDD, SSD and Optical? Give an example for each? ❓

3 - Software

2- Computer Systems Types p.115

2-1 Def: Computer systems can be for a single user OR multiuser p.116

2-2 Types

Handheld devices

Desktop / Laptops

Thin client

Servers

A server is a computer used by many users to perform a specific task, such as running network
or Internet applications. p.120

Server farms YouTube video: What are server farms?

Data centers YouTube Video: Facebook Data Center

3-2 Software Sphere of Influence Table 4.1 p. 136

3-1 Def: Software is a collection of instructions that enable the user to interact with a computer, its hardware, or perform tasks. Source: https://www.computerhope.com/jargon/s/software.htm

3-3 Types

System

Application

Personal

Workgroup

Enterprise

Give an ONE example of system software and ONE example of application software for personal sphere of influence. ❓

Types

Operating System Table 4.2 p.140

Utility Program. Example of Utility program is in Table 4.3 p.149

Middleware

Def: Control operations of hardware

Find the definition of the THREE Types of system software. ❓ ⭐

Types

Proprietary

Off the Shelf

What is the difference between the three types of application software? ❓ Hint: Try Table 4.4 p.152

Def: For personal, workgroup and enterprise to perform specific tasks. Example Email application, Calendar etc

Personal Refer Table 4.5 p.155

Workgrorup - software the support teams

Enterprise - software the supports the enterprise operations.

You can expand this mindmap but including examples for each of the application software's sphere of the influence. ⭐ ❓

3-4 Written in programming language

Visual languages e.g Visual Studio

Object-oriented programming languages e.g Java

3-5 Issues p. 167

Bugs

Open Source Software

Upgrades

Support

Freeware and Shareware

Describe any FOUR (4) of the issues in software. ❓

RAM (volatile)

ROM (non-volatile)

Does not directly access CPU