CHAPTER 6. Assignment from Mr. Tri Djoko Wahjono

True/False

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

Multiple Choice

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

Matching

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

Short Answer

1. How does resolution affect images displayed on a monitor?A higher resolution uses a greater number of pixels and thus provides a smoother, sharper, and clearer image. As you increase the resolution, however, some items on the screen appear smaller.How does resolution relate to the size of an LCD monitor or screen?With LCD monitors and screens, resolution generally is proportional to the size of the device. For example, a widescreen 19-inch LCD monitor typically has a resolution of 1440 × 900, while a widescreen 22-inch LCD monitor has a resolution of 1680 × 1050. LCDs are geared for a specific resolution, called the native resolution. Although you can change the resolution to any setting, for optimal results, use the monitor’s native resolution setting.
2. Describe some of the features of HDTV.HDTV (high-definition television) is the most advanced form of digital television, working with digital broadcast signals, transmitting digital sound, supporting wide screens, and providing resolutions up to 1920 × 1080 pixels. With HDTV, the broadcast signals are digitized when they are sent via over-the-air (OTA) broadcasts from local television networks, satellite, or cable.How do game console users set up the output for the consoles?With game consoles, such as Microsoft’s Xbox 360, Nintendo’s Wii, and Sony’s PlayStation 3, the output device often is a television. Users plug one end of a cable in the game console and the other end in the video port on the television. Home users often prefer the larger television displays for game playing, watching movies, and browsing the Internet on a television connected to a game console.
3. What are two types of wireless printing technology?Two wireless technologies for printing are Bluetooth and infrared.How do they differ in how they communicate with a computer or other device?With Bluetooth printing, a computer or other device transmits output to a printer via radio waves. The computer or other device and the printer do not have to be aligned with each other; rather, they need to be within an approximate 30-foot range. With infrared printing, a printer communicates with a computer or other device using infrared light waves. To print from a smart phone, for example, a user lines up the IrDA port on the smart phone with the IrDA port on the printer.
4. How does an ink-jet printer work?An ink-jet printer is a type of non-impact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper.What are the differences between dye-sublimation printers used by professionals as compared to home or small business users?Professional applications requiring high image quality, such as photography studios, medical labs, and security identification systems, use dye-sublimation printers. These high-end printers cost thousands of dollars and print images in a wide range of sizes. Most dye-sublimation printers for the home or small business user, by contrast, typically print images in only one or two sizes and are much slower than their professional counterparts. These lower-end dye-sublimation printers are comparable in cost to a photo printer based on ink-jet technology. Some are small enough for the mobile user to carry the printer in a briefcase.
5. What might be included with a surround sound system for a computer?Surround sound systems are available in a variety of configurations. For example, a 2.1 speaker system contains two speakers and a subwoofer. A 5.1 speaker system has four satellite speakers, a center speaker, and a subwoofer. A 6.1 speaker system has four satellite speakers, a front center speaker, a rear center speaker, and a subwoofer. A 7.1 speaker system has four satellite speakers, two side speakers, a center speaker, and a subwoofer.What is audio resolution, and what are three examples of audio resolutions?Audio resolution, which is the number of bytes that represent sound in a given time, is stated as a bit rate such as 8-bit, 16-bit, or 24-bit. A sound card using 8-bit resolution, for example, represents a sound with any 1 of 256 values (28), and a 16-bit sound card uses any 1 of 65,536 values (216). Higher resolutions result in better sound quality. With 8-bit resolution, the sound quality is similar to an AM radio; 16-bit resolution yields optical disc-quality sound; and 24-bit resolution is used for high-quality digital audio editing.

GSLC 2. Assignment from Mr. Tri Djoko wahjono

1. Interesting facts about:
1. Seagate Technology
   Seagate Technology PLC is an American data storage company that was incorporated in 1978 as Shugart Technology. It is currently incorporated in Dublin, Ireland and has its principal executive office in Cupertino, California.
   Seagate developed the first 5.25-inch hard disk drive (HDD) in 1980, the 5-megabyte ST-506. They were a major supplier in the microcomputer market during the 1980s, especially after the introduction of the IBM XT in 1983. In 1989, they finalized the purchase of Control Data Corporation’s Imprimis division, makers of the Wren product line. This gave Seagate access to Wren’s voicecoil-based technology. In 1991, they introduced the 7200 RPM Barracuda line, which remains their high-end offering. They purchased Maxtor in 2006 and Samsung HDD business in 2011.On March 12, 2013 Seagate announced that it was the first disk manufacturer to have cumulatively shipped two billion HDDs. 
2. SanDisk CorporationSanDisk Corporation is a multinational corporation that designs, develops and manufactures flash memory storage solutions and software. It was founded in 1988 by Dr. Eli Harari, Jack Yuan and Sanjay Mehrotra, non-volatile memory technology experts. The Fortune 500 and S&P 500 company is based in Silicon Valley and has more than half its sales outside the United States. Its products are sold at more than 250,000 retail locations in more than 100 countries. SanDisk became a publicly traded company on NASDAQ in November 1995. As of August 2013, its market capitalization was over US$14 billion. 
3. Samsung Storage DevicesToshiba Samsung Storage Technology Corporation (abbreviated TSST) is an international joint venture company of Toshiba (Japan) and Samsung Electronics (South Korea). Toshiba owns 51% of its stock, while Samsung owns the remaining 49%. The company specializes in optical disc drive manufacturing. The company was established in 2004.The company’s headquarters is located in Shibaura, Minato, Tokyo, Japan with Hiroshi Suzuki as its President and CEO. Its subsidiary, Toshiba Samsung Storage Technology Korea Corporation is located in Suwon, South Korea, and headed by Sang Heung Shin.Each corporation in Japan and Korea has the individual directorate system. For the business issues, TSST has been discussing it through the common relevant organization for mutual consent. TSST is currently responsible for the product development, marketing and sales, and has been taking advantage of the existing network of Samsung Electronics and Toshiba for manufacturing, sales, and after-sales service. 
4. HitachiHitachi, Ltd. (株式会社日立製作所 Kabushiki-gaisha Hitachi Seisakusho) is a Japanese multinational engineering and electronics conglomerate company headquartered in Chiyoda, Tokyo, Japan. It is the parent of the Hitachi Group (Hitachi Gurūpu) and forms part of the DKB Group of companies. Hitachi is a highly diversified company that operates eleven business segments: Information & Telecommunication Systems, Social Infrastructure, High Functional Materials & Components, Financial Services, Power Systems, Electronic Systems & Equipment, Automotive Systems, Railway & Urban Systems, Digital Media & Consumer Products, Construction Machinery and Other Components & Systems.Hitachi Global Storage Technologies was founded in 2003 as a merger of the hard disk drive businesses of IBM and Hitachi. Hitachi paid IBM US$2.05 billion for its HDD business.On March 8, 2012, Western Digital (WD) acquired Hitachi Global Storage Technologies for $3.9 billion in cash and 25 million shares of WD common stock valued at approximately $0.9 billion. The deal resulted in Hitachi, Ltd. owning approximately 10 percent of WD shares outstanding, and reserving the right to designate two individuals to the board of directors of WD. It was agreed that WD would operate with WD Technologies and HGST as wholly owned subsidiaries and they would compete in the marketplace with separate brands and product lines. 
2. Several Operating Systems available in the world:
   1. PC – Windows
      Microsoft Windows is a series of graphical interface operating systems developed, marketed, and sold by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUI). Microsoft Windows came to dominate the world’s personal computer market with over 90% market share, overtaking Mac OS, which had been introduced in 1984.As of October 2013, the most recent versions of Windows for personal computers, mobile devices, server computers and embedded devices are respectively Windows 8.1, Windows Phone 8, Windows Server 2012 R2 and Windows Embedded 8.Windows 8 is a personal computer operating system developed by Microsoft as part of Windows NT family of operating systems. Development of Windows 8 started before the release of its predecessor, Windows 7, in 2009. It was announced at CES 2011, and followed by the release of three pre-release versions from September 2011 to May 2012. The operating system was released to manufacturing on August 1, 2012, and was released for general availability on October 26, 2012.Windows 8 introduced major changes to the operating system’s platform and user interface to improve its user experience on tablets, where Windows was now competing with mobile operating systems, including Android and iOS. In particular, these changes included a touch-optimized Windows shell based on Microsoft’s “Metro” design language, the Start screen (which displays programs and dynamically updated content on a grid of tiles), a new platform for developing apps with an emphasis on touchscreen input, integration with online services (including the ability to sync apps and settings between devices), and Windows Store, an online store for downloading and purchasing new software. Windows 8 added support for USB 3.0, Advanced Format hard drives, near field communications, and cloud computing. Additional security features were introduced, such as built-in antivirus software, integration with Microsoft SmartScreen phishing filtering service and support for UEFI Secure Boot on supported devices with UEFI firmware, to prevent malware from infecting the boot process. 
   2. PC – OS XOS X, previously Mac OS X, is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc. It is designed to run exclusively on Mac computers, having been pre-loaded on all Macs since 2002. It was the successor to Mac OS 9, released in 1999, the final release of the “classic” Mac OS, which had been Apple’s primary operating system since 1984. The first version released was Mac OS X Server 1.0 in 1999, and a desktop version, Mac OS X v10.0 “Cheetah” followed on March 24, 2001. Previous releases of OS X were named after big cats; for example, OS X v10.8 was referred to as “Mountain Lion”. However, with the announcement of OS X Mavericks this was dropped in favor of Californian landmarks. 
   3. PC, Server – LinuxLinux is a Unix-like and POSIX-compliant computer operating system assembled under the model of free and open source software development and distribution. The main form of distribution are Linux distributions. The defining component of Linux is the Linux kernel, an operating system kernel first released on 5 October 1991, by Linus Torvalds. Because it considers Linux to be a variant of the GNU operating system, initiated in 1983 by Richard Stallman, the Free Software Foundation prefers the name GNU/Linux when referring to the operating system as a whole.Linux was originally developed as a free operating system for Intel x86-based personal computers. It has since been ported to more computer hardware platforms than any other operating system. It is a leading operating system on servers and other big iron systems such as mainframe computers and supercomputers: as of June 2013, more than 95% of the world’s 500 fastest supercomputers run some variant of Linux, including all the 44 fastest. Linux also runs on embedded systems (devices where the operating system is typically built into the firmware and highly tailored to the system) such as mobile phones, tablet computers, network routers, building automation controls, televisions and video game consoles; the Android system in wide use on mobile devices is built on the Linux kernel. 
   4. Server – Windows ServerWindows Server is a brand name for a group of server operating systems released by Microsoft Corporation.Windows Server 2012, codenamed “Windows Server 8″, is the sixth release of Windows Server. It is the server version of Windows 8 and succeeds Windows Server 2008 R2. Two pre-release versions, a developer preview and a beta version, were released during development. The software was generally available to customers starting on September 4, 2012.Unlike its predecessor, Windows Server 2012 has no support for Itanium-based computers, and has four editions. Various features were added or improved over Windows Server 2008 R2 (with many placing an emphasis on cloud computing), such as an updated version of Hyper-V, an IP address management role, a new version of Windows Task Manager, and ReFS, a new file system. Windows Server 2012 received generally good reviews in spite of having included the same controversial Metro-based user interface seen in Windows 8. 
   5. Server – OS X ServerThe server edition, OS X Server, was architecturally identical to its desktop counterpart, and included tools to facilitate management of workgroups of OS X machines, and to provide network services. Starting with v10.7 “Lion”, OS X Server is no longer offered as a separate operating system product; instead, the server management tools are available for purchase separately, and are preloaded on the server models of Mac Pro and Mac Mini along with OS X. 
   6. Mobile – Windows PhoneWindows Phone (abbreviated as WP) is a series of proprietary smartphone operating systems developed by Microsoft. It is the successor to Windows Mobile, although it is incompatible with the earlier platform. Unlike its predecessor, it is primarily aimed at the consumer market rather than the enterprise market. It was first launched in October 2010, with a release in Asia following in early 2011.The latest release is Windows Phone 8, which was launched on October 29, 2012. With Windows Phone, Microsoft created a new user interface, featuring a design language named “Modern” (which was formerly known as “Metro”). Additionally, the software is integrated with third-party and Microsoft services, and sets minimum requirements for the hardware on which it runs. 
   7. Mobile – iOSiOS (previously iPhone OS) is a mobile operating system developed and distributed by Apple Inc. Originally unveiled in 2007 for the iPhone, it has been extended to support other Apple devices such as the iPod Touch (September 2007), iPad (January 2010), iPad Mini (November 2012) and second-generation Apple TV (September 2010). Unlike Microsoft’s Windows Phone and Google’s Android, Apple does not license iOS for installation on non-Apple hardware. As of October 2013, Apple’s App Store contained more than 1 million iOS applications, 475,000 of which were optimised for iPad. These apps have collectively been downloaded more than 60 billion times. It had a 21% share of the smartphone mobile operating system units shipped in the fourth quarter of 2012, behind only Google’s Android. In June 2012, it accounted for 65% of mobile web data consumption (including use on both the iPod Touch and the iPad). At the half of 2012, there were 410 million devices activated.The user interface of iOS is based on the concept of direct manipulation, using multi-touch gestures. Interface control elements consist of sliders, switches, and buttons. Interaction with the OS includes gestures such as swipe, tap, pinch, and reverse pinch, all of which have specific definitions within the context of the iOS operating system and its multi-touch interface. Internal accelerometers are used by some applications to respond to shaking the device (one common result is the undo command) or rotating it in three dimensions (one common result is switching from portrait to landscape mode).iOS is derived from OS X, with which it shares the Darwin foundation and various application frameworks. iOS is Apple’s mobile version of the OS X operating system used on Apple computers. 
   8. Mobile – AndroidAndroid is an operating system based on the Linux kernel, and designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Initially developed by Android, Inc., which Google backed financially and later bought in 2005, Android was unveiled in 2007 along with the founding of the Open Handset Alliance: a consortium of hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices. The first Android-powered phone was sold in October 2008.The user interface of Android is based off direct manipulation, using touch inputs that loosely correspond to real-world actions, like swiping, tapping, pinching and reverse pinching to manipulate on-screen objects. Internal hardware such as accelerometers, gyroscopes and proximity sensors are used by some applications to respond to additional user actions, for example adjusting the screen from portrait to landscape depending on how the device is oriented. Android allows users to customize their homescreens with shortcuts to applications and widgets, which allow users to display live content, such as emails and weather information, directly on the homescreen. Applications can further send notifications to the user to inform them of relevant information, such as new emails and text messages.

CHAPTER 5. Assignment from Mr. Tri Djoko Wardjono.

True/False

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

Multiple Choice

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

Matching

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

Short Answer

1. What are three different types of mouse devices?The three different types of mouse devices are optical mouse, air mouse, and wireless mouse.What makes them different from each other?Most desktop computer users today have some type of optical mouse, which uses devices that emit and sense light to detect the mouse’s movement. Some use optical sensors, and others use a laser. The latter, often referred to as a laser mouse, usually is more expensive than the former. You can place an optical mouse on nearly all types of flat surfaces. Some newer models combine both optical sensors and laser, enabling users to place the mouse on rougher surfaces such as carpeting and park benches. Further, some mouse devices are more sensitive than others for users requiring more precision such as graphic artists, engineers, or game players.The mobile user who makes presentations may prefer a mouse that has additional buttons for running a slide show and controlling media, similar to a remote control. A newer type of mouse, called an air mouse, is a motion-sensing mouse that, in addition to the typical buttons, allows you to control objects, media players, and slide shows by moving the mouse in predetermined directions through the air. For example, raising the mouse up might increase the volume on your media player. A mouse connects to a computer in several ways. Many types connect with a cable that attaches to a USB port or a mouse port on the system unit. A wireless mouse, or cordless mouse, is a battery-powered device that transmits data using wireless technology, such as radio waves (Bluetooth) or infrared light waves (IrDA). Some users prefer a wireless mouse because it frees up desk space and eliminates the clutter of a cord.
2. Name at least five mouse operations.Some of the mouse operations are Point, Click, Right-click, Double-click, and Drag.Describe and give examples of each of the mouse operations that you chose.

   Operation	Mouse Action	Example
   Point	Move the mouse until the pointer on the desktop is positioned on the item of choice.	Position the pointer on the screen.
   Click	Press and release the primary mouse button, which usually is the left mouse button.	Select or deselect items on the screen or start a program or program feature.
   Right-click	Press and release the secondary mouse button, which usually is the right mouse button.	Display a shortcut menu.
   Double-click	Quickly press and release the left mouse button twice without moving the mouse.	Start a program or program feature.
   Drag	Point to an item, hold down the left mouse button, move the item to the desired location on the screen, and then release the left mouse button.	Move an object from one location to another or draw pictures.

3. What is OCR (optical character recognition)?Optical character recognition (OCR) is a technology that involves reading typewritten, computer printed, or hand-printed characters from ordinary documents and translating the images into a form that the computer can process. Most OCR devices include a small optical scanner for reading characters and sophisticated software to analyze what is read.What is OMR (optical mark recognition)?Optical mark recognition (OMR) is a technology that reads hand-drawn marks such as small circles or rectangles. A person places these marks on a form, such as a test, survey, or questionnaire answer sheet. With a test, the OMR device first scans the answer key sheet to record correct answers based on patterns of light. The OMR device then scans the remaining documents and matches their patterns of light against the answer key sheet.
4.  What is the most widely used biometric device today?The most widely used biometric device today is a fingerprint reader.Describe how the device works.A fingerprint reader, or scanner, captures curves and indentations of a fingerprint. The reader can be set up to perform different functions for different fingers; for example, one finger starts a program and another finger shuts down the computer. With the cost of fingerprint readers often less than $100, home and small business users in stall fingerprint readers to authenticate users before they can access a personal computer. External fingerprint readers usually plug into a USB port. To save on desk space, some newer keyboards and notebook computers have a fingerprint reader attached to them, which allows users to log on to programs and Web sites via their fingerprint instead of entering a user name and password.
5. What is the Americans with Disabilities Act (ADA)?The Americans with Disabilities Act (ADA) requires any company with 15 or more employees to make reasonable attempts to accommodate the needs of physically challenged workers.How might gesture recognition and computerized implant devices help physically challenged users in the future?With gesture recognition, the computer will detect human motions. Computers with gesture recognition capability have the potential to recognize sign language, read lips, track facial movements, or follow eye gazes. For paralyzed or speech impaired individuals, a doctor will implant a computerized device into the brain. This device will contain a transmitter. As the user thinks thoughts, the transmitter will send signals to the computer.

CHAPTER 4. Assignment from Mr. Tri Djoko Wardjono.

True/False

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

Multiple Choice

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

Matching

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

Short Answer

1. What are two types of designs of Tablet PCs?The two types of Tablet PCs are slate Tablet PC and convertible tablet PC.
   What are the differences in the designs of the two types of Tablet PCs?The differences in the designs are:
   With the slate Tablet PC, which typically does not include a keyboard, the system unit is behind the display. On a convertible Tablet PC, by contrast, the system unit is positioned below a keyboard, providing functionality similar to a traditional notebook computer or netbook. The difference is the display attaches to the system unit with a swivel-type hinge, which enables a user to rotate the display and fold it down over the keyboard to look like a slate Tablet PC.
2. What is the motherboard?The motherboard, sometimes called a system board, is the main circuit board of the system unit. Many electronic components attach to the motherboard; others are built into it.
   What is a computer chip?A computer chip is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched.
3. What are the four basic operations in a machine cycle?For every instruction, a processor repeats a set of four basic operations, which comprise a machine cycle: (1) fetching, (2) decoding, (3) executing, and, if necessary, (4) storing. Fetching is the process of obtaining a program instruction or data item from memory.  The term decoding refers to the process of translating the instruction into signals the computer can execute. Executing is the process of carrying out the commands. Storing, in this context, means writing the result to memory (not to a storage medium).What are some functions of registers?Register functions include storing the location from where an instruction was fetched, storing an instruction while the control unit decodes it, storing data while the ALU computes it, and storing the results of a calculation.
4. What types of devices might be Bluetooth enabled?Many computers, peripherals, smart phones, PDAs, cars, and other consumer electronics are Bluetooth enabled, which means they contain a small chip that allows them to communicate with other Bluetooth-enabled computers and devices.Describe three ways in which a computer can become Bluetooth enabled.-          You can purchase a Bluetooth wireless port adapter that will convert an existing USB port into a Bluetooth port.-          Also available are Bluetooth PC Cards, and-          ExpressCard modules for traditional notebook computers and Tablet PCs
5. What is compressed air used for with regards to caring for your computer?Compressed air is used for removing dust and lint from difficult-to-reach areas or removes sticky liquid spilled on keyboardsHow should you prepare for cleaning your computer?First, prepare the following:
   1. Can of compressed air — removes dust and lint from difficult-to-reach areas; removes sticky liquid spilled on keyboards
   2. Lint-free antistatic wipes and swabs
   3. Screen cleaning solution or 50/50 mix of rubbing alcohol and water (do not use ammonia-based solutions)
   4. Small computer vacuum (or small attachments on your house vacuum)
   5. Antistatic wristband — to avoid damaging internal components with static electricity
   6. Small screwdriver (may be required to open the case or remove adapter cards)
   Before cleaning the exterior of a computer or mobile device, turn it off, and if necessary, unplug it from the electrical outlet, remove its battery, and disconnect all cables from the ports. Use compressed air to blow away dust from any openings on the computer or device case, such as drives, slots, ports, and fan vents. Then, use an antistatic wipe to clean the exterior of the case and a cleaning solution on a soft cloth to clean the screen.