Transcript Software - CCSE

Practical Computer Literacy
Week-02
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Important Announcements
• Use of mobile phone is prohibited.
• Come in proper Dress Code(Sleeveless tee shirts,
shorts, sandals will not be accepted,)
• More Than two absent is DN
• Two late is one absent
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Week2- Objective
– Recap Week1
– Software
– Types of software
– How System Software and Application Software
work together
– Operating systems Types and Its functions
– File Management
– How to work with Windows 8
– Activities and Blackboard Demo
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Software
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A set of instructions that makes the computer perform tasks
(also called computer program)
Two categories of software
1. System software is to help computer carry out its
basic operating functions and manage its own
resources such as operating systems, network
management systems, device drivers.
2. Application software is used to help people carry
out tasks such as creating documents, tracking
finances, editing photos, Student Information
System (SIS) at KFUPM.
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What is software?
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System and application software work
together to perform tasks
•When you issue a command using application software, it tells the
operating system what to do
•Operating system tells device drivers,
•Device drivers tell hardware,
•Hardware does the work
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Operating System
• An operating system is a system software that
 Controls the system’s hardware
 Interacts with the user (user interface)
 Interacts with application software
DOS--- command-line interface
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What does an operating system do?
• Most important operating system functions:
– Store files, open them, and remember their locations
– Manage memory allocated for programs and data
– Provide basic level of system security through passwords and
encryption
– Regulate flow of data to processor
– Provide design and interaction for user interface
• Operating systems can: Multitask
– Establish limits (e.g., size of disk storage)
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Some Operating System in Use
• Windows
Most recent version: Windows 8
– Still in use: Windows 7, Windows Vista, and Windows XP
– Operating system designed for Apple’s Macintosh line of computers
• iOS
– Operating system developed for Apple iPhone; subsequently used for
iPod touch and iPad
• Android
– Open source, mobile OS for tablet computers, smartphones, and ebook
readers
– Most popular smartphone OS
Some Operating System in Use
Windows 8 opens to a Start screen
that displays customizable tiles
representing applications, devices,
and files.
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Linux
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Frequently used as an OS for servers
Less popular than Windows or OS X for average consumer’s computer
Distributed along with source code under terms of GPL (General Public License)
Provides multitasking and multi-user capabilities
Secure and reliable
• Linux distribution is a download that contains:
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Linux operating system
System utilities
GUI (icons, toolbars, and rectangular work areas)
Installation routine
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Edition of Windows 8
Editions of Windows 8
For desktop and laptop
computers
For tablet devices
For smartphones
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Basic Windows 8
Windows 8 Pro
Windows 8 Enterprise
Windows RT
• Windows Phone 8
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How do I work with Windows 8?
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How do I work with Windows 8?
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How do I access and change settings?
• Windows 8 has a unique panel of settings
accessed from Charms menu
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How do I access and change settings?
• Windows 8
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Working with Computer Files
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File is a collection of data that has a name and is stored on computer storage
(disk, tape, CD, DVD, or USB)
Two categories of files
1. Executable files
An executable file is a program that tells computer how to perform specific
task
2. Data files
A data file contains words, numbers, pictures, or voice that can be
manipulated
• Naming the files
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Working with Computer Files
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Managing folders and files
• File name
– Each file on a computer must be given a unique name
– In Windows, a file name can contain as many as 255 characters
• File extension
– A file extension is a set of characters added to a file name to
indicate the type of the file, e.g. .doc, .ppt, .pdf
• Folder
– A folder (also called “directory”) is a group of files for easy
retrieval. Each folder has a unique name
– A folder can contain other folders, called “subfolders”
• Path --- a device letter, folder name(s), file name, and
extension, for example c:\Documents\Pyp002\Lab02.ppt
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How are files grouped?
• Use Change your view button (Windows 7) or
View tab (Windows 8) to change way file list is
displayed:
– Icon view
– List view
– Details view
– Tiles view (Windows 7 only)
– Content view (Windows 7 only)
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Activity Time-Questionnaire
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Please Read Question From Next slide.
Open Note Pad
Save Notepad on Desktop with Your ID
Write the Answer on Notepad
Submit the file on Blackboard in Assignment1
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Activity Time-Questionnaire (write
the answer on Paper--)
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2 byte= --------bits; 1 Tera byte = …………. bytes.
Write the four major differences between storage and memory.
What factors effect computers speed and power
What are the four main categories of computers.
Give 3 examples of real life systems/processes that uses computers or a computer
system.
The A4 processor found in the iPhone 4 also had 512MHZ of RAM (True/False)
Processor speed of my smart phone is 4GB (true/False)
Identify as either a hardware or a software from the following;
– A cup of tea placed on some table
– Thoughts in my mind
Name of three Software in your Smartphone
Name of any three input and three output devices
Name four different Operating systems in smartphones.
Write steps of one instruction cycle.
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Activity-2
• Explore the following things
– Desktop, Notification Area
– Quick Access Menu, Taskbar, Task Manager,
– Control Panel, Program List, Run, Search Option
– Device Manager, Recycle Bin, Plug-and-play
– Background wallpaper, screen resolution
• Find the Processor Speed and RAM size in
your computer
Logout …