Midterm #1

Midterm #2

Personal Computers: Hardware & Software

Fall Quarter 2002

2:00 – 3:10 PM Monday, November 4, 2002 -- Classroom Unit #1

Instructions:

Before beginning –

· Enter your name,

· Id number

· and exam number on your scantron form

Note: Read each question thoroughly before making your choice. Choose the best answer from among the possible choices. All questions have equal weight. Mark your answer choices on the Scantron form – you may also use this exam paper for calculations or notations during the exam period. You have the entire class period to complete the exam. Take your time.

Questions – Multiple Choice:

1. If data requested for an application is in the disk cache, then a physical read of the disk is:

a. Necessary

b. Not necessary

c. Should always be done to verify data

d. None of the above

2. Which is NOT a type of secondary storage:

a. Magnetic Disk

b. Magnetic Tape

c. Optical Disk

d. Magnetic Memory – SIMM/DIMM

3. You should backup your data often because errors can be introduced by:

a. Electromechanical failure

b. Users

c. Errant software

d. All of the above

4. A disk drive’s access time is composed of:

a. Seek time

b. Head switching time

c. Rotational delay

d. All of the above

5. What is the main goal of data compression?

a. To hide data from others

b. To reduce the number of bits required to store data

c. To repair broken files

d. To increase security

6. On a disk drive, seek time is:

a. The time to seek out the next sector

b. The time required to move the access arm to the proper cylinder

c. The time waiting for data to show up under the read/write heads

d. None of the above

7. Which network topology has a central hub (or computer) responsible for maintain the network?

a. Bus

b. Ring

c. Star

d. Ad-hoc

8. The Internet was privatized in the year –

a. 1985

b. 1990

c. 1992

d. 1995

9. Which type of network has the largest geographical area?

a. LAN

b. MAN

c. WAN

d. SPAM

10. Which of the following components are required for a LAN?

a. NIC

b. PC

c. Network Cables

d. All of the above

11. How man times can you write to a CD-R disk?

a. One

b. Two

c. None

d. Multiple time

12. When collisions occur on a network…

a. Data will still be received properly

b. Data will be lost, and must be retransmitted

c. Data moves much slower in the pipe until it clears

d. Data becomes stale waiting in the wire

13. Modulation is

a. Imposing information on an electrical signal (or carrier)

b. Used to synchronize computer clocks

c. No longer used in today’s networks

d. Illegal in the US today

14. What does modem stand for?

a. Modern machine

b. Modulator/demodulator

c. Mobile demon

d. The type of communication – Mode M

15. What is the goal of routing?

a. To keep hackers out of the network

b. To forward packets from one network to another

c. To transform data from digital to analog signals

d. None of the above

16. What is a RAID?

a. Realtime Archives of Independent Data

b. The Ready And Independent Disks

c. Redundant Array of Independent Disks

d. Robust Archived Integrated Disks

17. What underlying protocol does Ethernet use to communicate

a. CSMA/CD

b. TCP/IP

c. CDR/PPTP

d. ARPA/NET

18. What does LAN stand for?

a. Local and Nice

b. Logically Archived Network

c. Local Area Network

d. Logical Area Notice

19. The Internet we know today began as a research project by:

a. UC Berkeley

b. Department of Defense (US Govt)

c. MIT

d. No0ne, it just happened

20. What is “Bit Rot”?

a. The degradation of the storage medium itself, over time.

b. A virus on the disk drive.

c. Data errors caused by a head crash

d. A silicon eating fungus that destroys computer memories

21. The underlying set of basic protocols used on The Internet is called:

a. The TCP/IP Internet Protocol Suite

b. DHCP

c. Routing

d. DSL

22. What is the smallest accessible area of a disk drive’s stored information?

a. Track

b. Cylinder

c. Sector

d. Byte

23. What is a protocol?

a. A special set of system software tools

b. An electronic device to setup token-ring networks

c. A set of rules to exchange data between systems or machines

d. None of the above

24. What should be the first ‘tag’ in an HTML file?

a. <BEGIN>

b. <TOP>

c. <HEAD>

d. <HTML>

25. FTP means:

a. FuTon Protocol

b. Free Time Protocol

c. Facilities Transfer Profile

d. File Transfer Protocol

26. Telnet is used to:

a. Make telephone calls on the Internet

b. Transfer files over modems

c. Connect like a terminal to a remote computer

d. View graphics files

27. What does HTTP stand for?

a. HyperText Transfer Protocol

b. Happy Time Training Program

c. HyperTelekenetic Transmission Protocol

d. HalfTime Telecommuting Program

28. To locate a specific web site you need:

a. The TCP address

b. The Uniform Resource Locator

c. The closest IP address

d. The RUL header

29. World Wide Web traffic uses the protocol:

a. RCP

b. HTTP

c. CSMA/CD

d. PPTP

30. What is the IETF?

a. The International E-Commerce Task Force

b. The Integrated Electronics Transmissions Facility

c. The Internet Engineering Task Force

d. The Illustrated Electronic Token Force

31. Internet sales are popular with businesses because:

a. It’s easy to take the money and run

b. There is no physical store front operation

c. There is no competition

d. Advertising is free

32. The quality of streaming on your computer is affected by –

a. Traffic on the Internet

b. The speed of your connection to the Internet

c. The availability of the correct Audio/Video plug-in

d. All of the above

33. Who invented the method of linking site-to-site, creating the World Wide Web?

a. Dr. Tommy Lee

b. Dr. Tom Lee-Jones

c. Dr. Tim Berners-Lee

d. Dr. Tim Barnstrom Lee

34. Unicast traffic is sent –

a. Directly from one machine to another across the network

b. To all machines on the network

c. Only to the neighbors on the local network

d. Is only sent to Unix based machines

35. The technology behind Virtual Private Networks uses a method known as –

a. Encapsulation

b. Serialization

c. Enchantization

d. Quantization

36. Bandwidth is a measure of –

a. The width of the disk drive platter

b. Link capacity

c. The size of the network bus card

d. All of the above

37. To maintain security on a Virtual Private Network –

a. All data in the packets are encrypted

b. No company secrets are allowed to be sent over them

c. The FBI monitors all traffic

d. Private dial-up lines are always used by remote employees

38. You ‘publish’ you web pages by –

a. Sending them to the big search sites

b. Making them accessible to others on The Internet

c. Printing copies and passing them out at conferences

d. Emailing them to others

39. When you connect to the mail server at your ISP to get your email, the application running on your machine is the –

a. Best I can buy

b. Kernel

c. Client

d. Graphical interface

40. What is used to provide security for on-line shopping?

a. The Secure Sockets Layer

b. The FBI

c. The Homeland Security Act of 2001

d. None of the above

41. When a browser access a Java-powered web page, the Java applets are –

a. Run on the server and results only transferred to the browser

b. Transferred to the browser and run on the users computer

c. Used to maintain quality on the links

d. All of the above

42. The most efficient way to send a large confidential file to several specific machines on the Internet is –

a. Broadcast

b. Futurecast

c. Unicast

d. Multicast

43. HTML ‘tags’ must be –

a. Upper case only

b. Lower case only

c. Either all lower, or all upper case

d. Don’t care, can be mixed upper and lower case

44. To test your HTML file –

a. Show it to a friend to check for errors

b. Open it with your browser

c. Spell check it first

d. None of the above

45. To place text in Italics use the tag pair –

a.

b.

c.

d. <IT> </IT>

46. HTML stands for –

a. High Times Meta Language

b. High Transmission Machine Language

c. HyperText Markup Language

d. None of the above

47. What does WYSIWYG mean?

a. Why Sit When You Should Get

b. What You See Is What You Get

c. When You Sit Is Where You Get

d. None of the above

48. Which of the following is considered rude website design –

a. Telling the user to get a new or different browser

b. Expecting the user to resize manually to accommodate the page

c. Playing background sounds the user can’t control

d. All of the above

49. The screen appearance behind the text and images is called –

a. The main window

b. The background

c. The wallboard

d. The palette

50. DSL stands for –

a. Direct Service Line

b. Dialup Secure Link

c. Digital Subscriber Line

d. Digital Security Link