COSC Exam 1

1. An e-mail address consists of a(n) username, followed by the @ symbol, followed by the domain name for the computer that will be handling that person's e-mail (called a mail server).

True

False

2. A user inputs data into a computer, and then the computer processes it.

True

False

3. Storage devices are hardware used to store data on or access data from storage media, such as CD discs, DVD discs, or flash memory cards.

True

False

4. Notebook computers (also called laptops) are fully functioning computers that open to reveal a screen and keyboard.

True

False

5. The binary numbering system uses only two symbols—the digits 0 and 1—to represent all possible numbers.

True

False

6. Small office networks enable workers to access company records stored on a network server.

True

False

7. Each location in memory has an address.

True

False

8. Early computers required programs to be written in machine language.

True

False

9. The system unit is the main case of a computer.

True

False

10. The buses used to connect peripheral (typically input and output) devices to the motherboard are usually referred to as expansion buses.

True

False

11. Pipelining increases the number of machine cycles completed per second.

True

False

12. One online security problem is ____, in which someone else uses your identity, typically to purchase goods or services.

Identity theft

Domain theft

Phishing

Identity duplication

13. Common input devices include the keyboard and ____.

Monitor

Speaker

Printer

Mouse

14. Case-Based Critical Thinking Questions Case 2-1 Jess is a musician who has just bought a new computer. Now she has to determine how to connect this computer to the devices that were connected to her old computer. Jess has pictures from her old computer saved on a flash drive. To transfer these to her new computer, she would use a(n) ____ port.

SCSI

Modem

FireWire

USB

15. With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality.

Byte

Map

Vector

Pixel

16. Case-Based Critical Thinking Questions Case 1-1 Sarah is a very active real estate agent. She is looking to purchase a new computer and software so she can keep track of her client's accounts, access the Internet from anywhere in the city, and touch-up photos of real estate properties. Sarah needs to store digital photographs of houses she is previewing. She needs to be able to copy these to the computer at her office. What type of storage device should she use?

Scanner

USB flash drive

Firewire port

Data projector

17. Hollerith's machine was used to process the 1890 U.S. Census data and was able to complete the task in ____, instead of the decade it usually took to process the data by hand.

Three and a half years

Two and a half years

Five and a half years

Four and a half years

18. ____ occurs when data is entered into the computer.

Processing

Output

Storage

Input

19. The Windows ____ shown in the figure above contains the following objects: Windows, Icons, Menus, Toolbars, Taskbar, Hyperlinks, Sizing buttons, and a Dialog box.

Command

Toolbox

Desktop

General menu

20. The external hardware components are located inside the main box or system unit of the computer.

True

False

21. A ____ is equal to 1,024 bytes.

Gigabyte (GB)

Terabyte (TB)

Kilobyte (KB)

Megabyte (MB)

22. Case-Based Critical Thinking Questions Case 2-2 Jack has a computer at home that he uses to access the Internet, store and edit personal photos, and create and edit documents. Recently, he has come to realize that in order to keep the computer performing at its best, he needs to carry out regular system maintenance on the computer. Jack can use the ____ program to locate and delete temporary files, such as installation files, Web browsing history, and files in the Recycle Bin.

Windows Disk Cleanup

Disk Defragmenter

Windows Registry

Temporary Files

23. MIDI ports are used to receive wireless transmissions from devices.

True

False

24. The ____ takes instructions from the prefetch unit and translates them into a form that the control unit can understand.

Decode unit

Register

ALU

Internal cache

25. In addition to the four primary computer operations, today's computers typically also perform ____ functions.

Communications

Calculations

Sorting

Programming

26. Computing technologies make it possible to have ____, traditional appliances with some type of built-in computer or communications technology.

Home computers

Smart appliances

Design appliances

Smart computers

27. A ____ is a collection of hardware and other devices that are connected together so that users can share hardware, software, and data, as well as electronically communicate with each other.

Computer bank

Data bank

Computer network

Database

28. Case-Based Critical Thinking Questions Case 1-1 Sarah is a very active real estate agent. She is looking to purchase a new computer and software so she can keep track of her client's accounts, access the Internet from anywhere in the city, and touch-up photos of real estate properties. Sarah has hired a programmer to create a Web page for her business. What type of programming language will the programmer use?

Python

XHTML

BASIC

COBAL

29. The ____ enables up to 127 devices to be connected to a computer through a single port on the computer's system unit.

HyperTransport bus

AGP (Accelerated Graphics Port) bus

USB standard

PCI Express Bus

30. ____ refers to guidelines for online behavior.

Netiquette

Web etiquette

Internet Rules

Net rules

31. Two of the most common types of communications hardware are ____ and network adapters.

Slide rules

Ports

Monitors

Modems

32. Like graphics data, ____—such as a song or the sound of someone speaking—must be in digital form in order to be stored on a storage medium or processed by a PC.

Giga data

Audio data

Audio programs

Pixel data

33. Memory refers to the amount of long-term storage available to a PC.

True

False

34. Ultra-mobile PCs are also called ____.

Frame computers

Handheld computers

Mini computers

Range computers

35. Because of its large size, when audio data is transmitted over the Internet it is often encrypted to shorten the download time.

True

False

36. Some ____ must be added in pairs for optimal performance.

USB ports

Memory modules

Hard drives

Interfaces

37. Communications hardware includes modems, which are used to connect a computer to the Internet and network projectors, which are used to connect a computer to a computer network.

True

False

38. Most recent software programs, including the latest versions of Microsoft Windows, Mac OS, and Microsoft Office, use ASCII.

True

False

39. Abbreviations or acronyms, such as BTW for "between the words," are commonly used to save time in all types of communications today.

True

False

40. Integrated circuits incorporate many transistors and electronic circuits on a single tiny silicon chip, allowing ____ to be even smaller and more reliable than earlier computers.

Second-generation computers

Third-generation computers

Fourth-generation computers

Fifth-generation computers

41. The accompanying figure shows a DIMM RAM microprocessor.

True

False

42. A(n) ____ instruction might look like a meaningless string of 0s and 1s, but it actually represents specific operations and storage locations.

COBOL language

Machine language

ASCII

Programming language

43. To begin to use a computer, the user first turns on the power by pressing the power button, and then the computer displays a prompt for the user to decide the next course of action.

True

False

44. Satellite communication (more commonly called s-com) is the process of exchanging electronic messages between computers over a network—usually the Internet.

True

False

45. The key element of the microprocessor is the ____—a device made of semiconductor material that acts like a switch controlling the flow of electrons inside a chip.

Transistor

Chipbus

S-card

Processor

46. The accompanying figure shows a notebook computer.

True

False

47. The control unit takes the instructions fetched by the prefetch unit and translates them into a form that can be understood by the control unit, ALU, and FPU.

True

False

48. One nanometer (nm) is ____ of a meter.

One-millionth

One-tenth

One-thousandth

One-billionth

49. The ____ orders data and instructions from cache or RAM based on the task at hand.

Decode unit

Prefetch unit

ALU

Control unit

50. The process of representing data in digital form so it can be used by a digital computer is called decimal byte representation.

True

False

COSC Exam 1

1. An e-mail address consists of a(n) username, followed by the @ symbol, followed by the domain name for the computer that will be handling that person's e-mail (called a mail server).

2.

What first name or nickname would you like us to use?

2. A user inputs data into a computer, and then the computer processes it.

3. Storage devices are hardware used to store data on or access data from storage media, such as CD discs, DVD discs, or flash memory cards.

4. Notebook computers (also called laptops) are fully functioning computers that open to reveal a screen and keyboard.

5. The binary numbering system uses only two symbols—the digits 0 and 1—to represent all possible numbers.

6. Small office networks enable workers to access company records stored on a network server.

7. Each location in memory has an address.

8. Early computers required programs to be written in machine language.

9. The system unit is the main case of a computer.

10. The buses used to connect peripheral (typically input and output) devices to the motherboard are usually referred to as expansion buses.

11. Pipelining increases the number of machine cycles completed per second.

12. One online security problem is ____, in which someone else uses your identity, typically to purchase goods or services.

13. Common input devices include the keyboard and ____.

15. With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality.

17. Hollerith's machine was used to process the 1890 U.S. Census data and was able to complete the task in ____, instead of the decade it usually took to process the data by hand.

18. ____ occurs when data is entered into the computer.

19. The Windows ____ shown in the figure above contains the following objects: Windows, Icons, Menus, Toolbars, Taskbar, Hyperlinks, Sizing buttons, and a Dialog box.

20. The external hardware components are located inside the main box or system unit of the computer.

21. A ____ is equal to 1,024 bytes.

23. MIDI ports are used to receive wireless transmissions from devices.

24. The ____ takes instructions from the prefetch unit and translates them into a form that the control unit can understand.

25. In addition to the four primary computer operations, today's computers typically also perform ____ functions.

26. Computing technologies make it possible to have ____, traditional appliances with some type of built-in computer or communications technology.

27. A ____ is a collection of hardware and other devices that are connected together so that users can share hardware, software, and data, as well as electronically communicate with each other.

29. The ____ enables up to 127 devices to be connected to a computer through a single port on the computer's system unit.

30. ____ refers to guidelines for online behavior.

31. Two of the most common types of communications hardware are ____ and network adapters.

32. Like graphics data, ____—such as a song or the sound of someone speaking—must be in digital form in order to be stored on a storage medium or processed by a PC.

33. Memory refers to the amount of long-term storage available to a PC.

34. Ultra-mobile PCs are also called ____.

35. Because of its large size, when audio data is transmitted over the Internet it is often encrypted to shorten the download time.

36. Some ____ must be added in pairs for optimal performance.

37. Communications hardware includes modems, which are used to connect a computer to the Internet and network projectors, which are used to connect a computer to a computer network.

38. Most recent software programs, including the latest versions of Microsoft Windows, Mac OS, and Microsoft Office, use ASCII.

39. Abbreviations or acronyms, such as BTW for "between the words," are commonly used to save time in all types of communications today.

40. Integrated circuits incorporate many transistors and electronic circuits on a single tiny silicon chip, allowing ____ to be even smaller and more reliable than earlier computers.

41. The accompanying figure shows a DIMM RAM microprocessor.

42. A(n) ____ instruction might look like a meaningless string of 0s and 1s, but it actually represents specific operations and storage locations.

43. To begin to use a computer, the user first turns on the power by pressing the power button, and then the computer displays a prompt for the user to decide the next course of action.

44. Satellite communication (more commonly called s-com) is the process of exchanging electronic messages between computers over a network—usually the Internet.

45. The key element of the microprocessor is the ____—a device made of semiconductor material that acts like a switch controlling the flow of electrons inside a chip.

46. The accompanying figure shows a notebook computer.

47. The control unit takes the instructions fetched by the prefetch unit and translates them into a form that can be understood by the control unit, ALU, and FPU.

48. One nanometer (nm) is ____ of a meter.

49. The ____ orders data and instructions from cache or RAM based on the task at hand.

50. The process of representing data in digital form so it can be used by a digital computer is called decimal byte representation.