Choose the best answer

1. Secondary storage devices include

   a. RAM

   b. CPU

   c. CD-ROM

   d. ATM

   e. ALU

   ans: c. CD-ROM
   
2. A modem

   a. translates analog information to digital signals

   b. translates digital information to analog signals

   c. translates analog information to analog signals in terms of sine waves

   d. translates digital information to digital signals in terms of voltage pulses

   e. is connected between the computer and the printer

   ans: b. modulate/demodulate - translate from digital to analog the modem is connected between the computer and the carrier
   
3. An advantage of computer networks is that they

   a. provide greater privacy

   b. have fewer errors that stand along machines

   c. allow resource sharing

   d. use protocols that are easily compatible

   ans: allows resource sharing
   
4. A "floppy" disk is divided into

   a. tracks and then sectors

   b. sectors and then tracks

   c. blocks and then tracks

   d. records and then sectors

   ans: a. the tracks are the concentric circles, which are then subdivided into sectors
   
5. 3rd generation programming languages include

   a. machine language

   b. assembler

   c. SQL

   d. Pascal

   ans: d. Pascal

   machine language is 1st generation

   assembler is 2nd generation

   SQL is 4th generation

6. Facilities provided by modern word processing programs do not normally include

   a. graphing

   b. tables

   c. window wraparound for text

   d. windows for separate files

   e. spell check

   f. automatic recomputation of formulae in tables

   g. incorporation of images within text files

   ans: f. automatic recomputation of formulae in tables - usually a feature of spreadsheets
   
7. Facilities provided by spreadsheets do not normally include

   a. different fonts

   b. graphics

   c. left and right alignment, with spaces inserted within text

   d. automatic recomputation of formulae in tables

   e. the ability to combine rows (or columns)

   ans: (c) this wraparound is a feature of word processors
   
8. Magnetic Tapes provide

   a. direct access to any position in the tape

   b. exactly 7 bits along the width of the tape for ASCII encoding of characters

   c. up to Gigabytes of secondary memory storage

   d. laser technology

   e. read only memory

   ans: (c) although some tapes appear to give direct access they are really sequential access media; they are magnetic and can hold a very large amount of data They typically have 9 bits per character (includes a parity bit)
   
9. On our computer systems, you can format a disk in the

   a. a drive

   b. c drive

   c. f drive

   d. d drive

   ans: (a) You might be able to format the hard disk in the c drive if there is no protection, but I advise you against trying.

   The f drive is the network drive, and is write protected.

   The d drive is traditionally the CD-ROM drive and a disk cannot be formatted on it

   
   

   Answer each of the following in one line:

   
   
10. A cylinder is ____________

    ans: the two corresponding tracks on the sides of a disk

    
    
11. Formatting a disk means ____________________

    ans: Copying that portion of the operating system on it that allows for disk storage allocation and disk access. This is done in windows or DOS by selecting the format option and the drive identification (format a:)

    
    
    
12. You can add a row of numbers in Excel by _________

    ans: highlighting the desired row, then choosing the summation icon or the sum function from formulas