Chapter 8

Discovering Computers 2011 : Living in a Digital World Answers

True/False

1.   False
2.   False
3.   True
4.   False
5.   True
6.   True
7.   True
8.   True
9.   False
10. True

Multiple Choice

1. B
2. B
3. C
4. A
5. C
6. D
7. C
8. A

Matching

1.  E
2.  J
3.  H
4.  D
5.  F
6.  A
7.  G
8.  B
9.  C
10. I

Short Answer

1. Cold boot is the process of starting up a computer when previously the computer is turned off completely. A warm boot, by contrast, is the process of using the operating system to restart a computer.

Memory resident, which means instructions remains in memory while the computer is running. While nonresident, means instructions remain on a storage medium until they are needed.

2. User interface controls how you enter data and instructions and how information is displayed on the screen.

Command line interface is completely command controlled ,flow of program controls by giving commands. so user have to familiar with commands. a novice user can not operate a CUI environment. In Graphical user interface user interact to a visual environment like buttons, icons, images. so it is easy to use and a novice user can operate it without pre-training.

3. The purpose of an automatic update feature are to fix program bugs, or errors, enhancements to security, modifications to device drivers, access to new or expanded components such as desktop themes or games, and even updates to application software on the computer such as a Web browser or an e-mail program.

It’s because to increase the security and functionality of the software updated by the service pack. And user will receive a service update whenever they become available through an official service run by the company that made the software the service pack is for.

4. The computer is storing all of your current files onto any disk drive or memory space you select. It copies your in tire file database, including games, music, pictures, and videos into some safely secured area where you can easily restore your documents and computer state from.

The purpose of a restore utility is to reverse the backup process and return backed up files to their original form.

5. Windows Embedded CE is a scaled-down Windows operating system designed for use on communications, entertainment, and computing devices with limited functionality.functionality. Windows Mobile, an operating system based on Windows Embedded CE, includes functionality, programs, and a user interface designed for specific types of smart phones and PDAs. iPhone OS, developed by Apple, is an operating system for the iPhone and iPod touch, Apple’s smart phone and touch screen portable media player, respectively. Google Android is an operating system designed by Google for mobile devices.

The uses of Windows Embedded CE include VoIP telephones, industrial control devices, digital cameras, point-of-sale terminals, automated teller machines, digital photo frames, fuel pumps, security robots, handheld navigation devices, portable media players, ticket machines, and computerized sewing machines. While Windows mobile, iPhone OS and Google android are used for multitasking such as messaging, internet, chatting, calculating number, calender, etc.