ALLIED ISY101 MODULE 1 CHECK YOUR UNDERSTANDING

1. The “brain” of your computer is called the:

a. microchip.

b. microprocessor.

c. memory chip.

d. hard drive.

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2. A computer’s operating system is responsible for which of the following?

a. Running application software

b. Manipulating files on storage devices

c. Transferring data to and from printers

d. All of the choices apply

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3. When the computer is busy, the mouse pointer arrow shape turns into a(n):

a. hourglass.

b. square.

c. circle.

d. both a and c.

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4. Which of the following mouse actions allows you to manipulate on-screen objects?

a. Click

b. Double-click

c. Right-click

d. All of the choices apply

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5. Function keys on the keyboard activate all of the following, except:

a. Save.

b. Help.

c. Print.

d. Delete.

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6. Which of the following keyboard keys displays previous screen information?

a. Page down key

b. End key

c. Page up key

d. Delete key

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7. Which of the following keyboard keys capitalizes all the letters you type when it is engaged?

a. End key

b. Caps lock key

c. Tab key

d. Home key

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8. Which of the following is used to delete one character to the left of the insertion point?

a. Esc key

b. Ctrl key

c. Backspace key

d. None of the choices apply

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9. The __________ displays a series of tools for accomplishing various tasks.

a. scroll bar

b. toolbar

c. menu bar

d. title bar

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10. Which of the following shrinks the window to a button at the bottom of the screen?

a. Minimize button

b. Maximize button

c. Close button

d. None of the choices apply

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11. Which of the following is needed to send and receive e-mail?

a. Internet connection

b. E-mail account

c. Software

d. All of the choices apply

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12. To create a secure password, do all of the following, except:

a. use at least five characters, mixing numbers and letters.

b. use your family name or name of family member.

c. do not use a word from the dictionary.

d. do not forget your password.

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13. Another name for computer virus is:

a. spyware.

b. shareware.

c. software.

d. malware.

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14. Internet scams in the form of spam messages try to get you to do all of the following, except:

a. download a virus.

b. divulge your bank account numbers.

c. subscribe to weekly newsletters.

d. send in money for products you will never receive.

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15. An e-mail scam that arrives in your e-mailbox looking like an official correspondence from a major company is called:

a. phishing.

b. fishing.

c. flushing.

d. none of the choices apply.

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16. The digital revolution became a significant factor in the 1980s but ended in the 1990s with the dot com bubble burst.

a. True

b. False

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17. Digital electronics use electronic __________ to represent data.

a. circuits

b. switches

c. transistors

d. components

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18. __________ is the process of converting text, numbers, sound, photos, and video into data that can be processed by digital devices.

a. Digitization

b. Digital conversion

c. Scanning

d. Rasterization

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19. Symbols that represent facts, objects, and ideas are:

a. data.

b. programming.

c. processing.

d. globalization.

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20. A(n) __________ is a microprocessor-based computing device designed to meet the computing needs of an individual.

a. personal computer

b. mainframe

c. ALU

d. server

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21. The purpose of a server is to serve computers on a network.

a. True

b. False

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22. A(n) __________ is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users.

a. mainframe

b. minicomputer

c. supercomputer

d. workstation

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23. A compute-intensive problem runs on a:

a. server.

b. mainframe.

c. supercomputer.

d. super PC

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24. A special-purpose microprocessor that is built into the machine it controls is a(n):

a. supercomputer.

b. mainframe.

c. microcontroller.

d. workstation.

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25. Data becomes __________ when it is presented in a format that people can understand and use.

a. information

b. processed

c. graphs

d. presentation

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26. The type of data where text, numbers, graphics, sound, and video have been converted into discrete digits is:

a. information.

b. analog.

c. digital.

d. ASCII.

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27. The type of data that is represented using an infinite scale of values is:

a. information.

b. analog.

c. digital.

d. ASCII.

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28. Data transmission speeds are typically expressed as __________ and storage is typically expressed as __________.

a. bits/bytes

b. bytes/hertz

c. hertz/bits

d. mites/bytes

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29. 1,024 bytes is a __________; 1,048,576 bytes is a __________; and 1,073,741,824 bytes is a __________.

a. kilobyte/megabyte/gigabyte

b. megabyte/gigabyte/kilobyte

c. gigabyte/megabyte/terabyte

d. terabyte/gigabyte/megabyte

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30. A super-thin slice of semiconducting material packed with microscopic circuit elements is a(n):

a. integrated circuit.

b. computer chip.

c. microchip.

d. all of the choices apply.

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