An LCD is used as the display in most laptops because

1
An LCD is used as the display in most laptops
because

0

• They are cheaper than CRTs.
• They are lighter than CRTs.
• They use more power than CRTs.
• They have higher resolution than CRTs.

2
Input data

• Moves from the outside world to the computers
  memory
• Moves from the computers memory to the outside
  world
• Can travel in either direction
• Is not used any more, the Net is more powerful

3
From Chapter 3

• A device that accepts input, processes data,
  stores data, and produces output

4
RAM is called short-term because

• It only holds its contents for 10 seconds
• It is volatile
• It cannot be left in the machine overnight
• It is not really needed in the machine

5
From Chapter 3

• RAM
• Fast Access Time
• Moderate Capacity
• Loses Data if Power Lost (volatile)
• Hard Drive
• Slow Access Time
• Large Capacity
• Data Not Lost if Power Lost (non-volatile)

6
Which one is a peripheral device?

• CPU
• RAM
• Keyboard
• Chip

7
From Chapter 3

• Peripheral devices
• Not part of the core computer system
• Enhance the functionality of a computer

8
GIGO is

• A saying about input and output
• A peripheral that can scan in documents
• A unit of information, 8 bytes is a GIGO
• A program that can help you communicate with
  other people

9
From Chapter 3

• GIGO stands for Garbage In, Garbage Out
• If invalid data is entered in a computer program,
  the resulting output will also be invalid.
• If a computer asked you to enter a letter and you
  enter a number the results you would get back
  would probably be messed up, or "garbage."

10
A file with a name likec\fall06\school\cs101\she
et1.jpg

• Is a picture file the jpg tells you that
• Is a text file the folder name school tells you
  that
• Is a spreadsheet the filename sheet1 tells you
  that
• None of the above

11
From Chapter 5

• File names usually contain an extension, which is
  the part after the dot.
• Extensions help people and computers know what
  kind of information is in the file and what
  program to use when reading/editing that file
• .doc MS Word Document
• .zip Compressed Zip Archive
• .bmp Bitmap Image
• Changing file extension DOES NOT convert the
  information in the file!

12
A file with a name likec\fall06\school\cs101\she
et1.jpg

• Is stored at the root of the C drive
• Is on a floppy disk
• Is stored in the My Documents folder.
• None of the above

13
From Chapter 5

• To Find a File in a File System, you must know
  its PATH
• A path is a listing of directories starting at
  the drive and moving to the file
• C\College\Fall2006\ENG104\Paper1.doc

14
Spam is

• An acronym for Special Purpose Advertising Mail
• Named after a Monty Python sketch
• Only about 5 of the traffic on the Internet
• Legal in most parts of the world
• A good way to win prizes and buy things

15
Spam Chapter 4

• Unwanted electronic junk mail
• Dont reply
• Dont click links
• Guard your e-mail address - don't post it
• Use spam filters
• Automatically routes advertisements and other
  junk mail to appropriate folder
• Report spam
• Change your e-mail address

16
Spam Chapter 4

• How did SPAM get its name?
• Monty Python Sketch Comedy
• Cant I get anything without SPAM in it?
• http//en.wikipedia.org/wiki/Spam_(electronic)His
  tory

17
Storage is generally

0

• Larger than Memory
• Slower than Memory
• Non Volatile
• All of these things

18
Whats the difference between storage devices and
input/output devices?

0

• There is no difference.
• Storage devices are easier to use.
• Input/output devices are meant to be used by
  humans.
• Storage devices are meant for short-term use.

19
The term soft copy refers to

0

• Any output generated by software.
• Output that is temporary.
• Printed output.
• Only output on the screen.

20
Resolution refers to which quality of a graphical
input or output device?

0

• How detailed the captured / produced image is
• How fast it can capture / produce images
• How many images can be captured / produced
• None of these

21
Which type of device for computer interaction is
designed to reduce strain on human users?

0

• QWERTY
• Ergonomic
• RSI
• Optical

22
If cell D18 contains A13B15, and the formula
is copied to cell E15, what does it change to?

0

• A13B15
• A10C15
• B10B12
• A10B13

23
What unit is used to measure printer resolution?

0

• pixels
• Characters per second
• Dots per inch
• pages per minute

24
Which one is software?

0

• Computer chip
• Operating system
• Hard drive
• Optical scanner

25
Dvorak relates to what device?

0

• A mouse.
• A keyboard.
• An optical scanner.
• A display screen.

26

All of the following are non-volatile except

• Flash drive
• Hard drive
• Floppy drive
• RAM

27
Two main components on the motherboard are the
__________ and main memory.

• Processor
• Keyboard
• Monitor
• Mouse