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1 | |
If you really want a specific number of digits of precision, you must: |
| | A) | Narrow the column. |
| | B) | Use only whole numbers. |
| | C) | Set the number of digits of precision in the protocol file. |
| | D) | Use the ROUND function. |
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2 | |
Intel's software-based technology is called Indeo and it: |
| | A) | Compresses and decompresses video pictures in real time. |
| | B) | Converts video to rapid fiberglass transmission. |
| | C) | Makes it financially practical to create DVDs. |
| | D) | Converts video to digital form at 100 KB/sec. |
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3 | |
While researchers believe that the half-pitch may be reduced to 35 nanometers by 2014, |
| | A) | The base substance will not be conventional silicon. |
| | B) | It should not be necessary to do so. |
| | C) | The resultant heat would fry the chip. |
| | D) | The electrons will jump the barriers. |
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4 | |
Video card quality is determined by its: |
| | A) | Resolution. |
| | B) | Adaptability to the specific computer. |
| | C) | Bandwidth. |
| | D) | Video accessibility. |
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5 | |
Floppy drives operate similarly to magnetic hard drives but are much: |
| | A) | Slower. |
| | B) | Less sensitive to magnets. |
| | C) | Faster. |
| | D) | More durable. |
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6 | |
Browsers, combined with _______________ have the ability to change the business world. |
| | A) | Wireless Internet. |
| | B) | Microsoft products. |
| | C) | Sun systems products. |
| | D) | More powerful operating systems. |
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7 | |
Desktop publishing: |
| | A) | Is very difficult to learn. |
| | B) | Is not acceptable to current management. |
| | C) | Tends to decrease the efficiency of employees. |
| | D) | Favored by clerical workers. |
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8 | |
One byte is: |
| | A) | 10 Bits |
| | B) | A collection of ones and zeros |
| | C) | 8 Bits |
| | D) | 9 Bits |
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9 | |
Input devices in a computer: |
| | A) | Change data back to a binary form |
| | B) | Convert non-binary data during data-entry |
| | C) | Convert binary data into non-binary form. |
| | D) | Convert data into a collection of ones and zeros. |
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10 | |
The following are examples of data types EXCEPT: |
| | A) | Functions |
| | B) | Sound |
| | C) | Video |
| | D) | Text |
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11 | |
In the concept of Object Orientation: |
| | A) | Designers convert binary data into object functions. |
| | B) | Users change properties with their output devices. |
| | C) | Users change properties and call functions |
| | D) | Designers can only call functions and calculations. |
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12 | |
When dealing with text objects, a user can: |
| | A) | Manipulate resolutions and specify sampling. |
| | B) | Manipulate the rescaling and rotation. |
| | C) | Manipulate type face and display size. |
| | D) | Manipulate compression/decompression and file size. |
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13 | |
Problems with different character and text types when dealings with languages are starting to be solved with: |
| | A) | ASCII |
| | B) | Binary |
| | C) | EBCDIC |
| | D) | Unicode |
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14 | |
Round-off problems are usually attributed to: |
| | A) | Decimal numbers not having an exact binary value. |
| | B) | Adding numbers before using round functions. |
| | C) | The European Union requiring 6 digit decimals. |
| | D) | Decimal numbers having a binary value. |
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15 | |
Font sizes are usually measured in: |
| | A) | Picas |
| | B) | Pixels |
| | C) | Points |
| | D) | DPIs |
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16 | |
9. Which phrase is true about graphic files: |
| | A) | Bitmap files have more resolution than Vector files. |
| | B) | Bitmap files are larger in size than Vector files. |
| | C) | Vector files are converted into pixels. |
| | D) | Bitmaps use mathematical equations instead of pixels. |
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17 | |
In order to convert pictures into a digital format, you need: |
| | A) | Rasterizes |
| | B) | Optical Disk |
| | C) | Scanner |
| | D) | Photo-CD |
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18 | |
JPEG, GIF, PNG files are all examples of: |
| | A) | Bitmaps |
| | B) | Vectors |
| | C) | Image maps |
| | D) | Image pacs |
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19 | |
When a computer digitizes sounds, it is dealing with: |
| | A) | Amplitude and Frequency |
| | B) | Amplification and Modulation |
| | C) | Treble and Bass |
| | D) | Frequency and Pitch |
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20 | |
While still in its infancy, digitized video still has problems because: |
| | A) | File sizes are generally too large for transmission |
| | B) | Processing speeds can't change??? the files |
| | C) | The advent of HDTV eliminates the need for digital video |
| | D) | Most video files only display 30 frames per second |
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21 | |
The RAM chip in a computer: |
| | A) | Stores data for long periods of time. |
| | B) | Are sensitive to movement and deteriorate fast. |
| | C) | Stores data and instructions temporarily. |
| | D) | Is considered a secondary storage device. |
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22 | |
Although Moore's Law doubles the number of components on a computer chip every 18 months, the chip industry is facing all these potential problems, EXCEPT: |
| | A) | Increased power requirements and heat generation. |
| | B) | Increased costs and capital |
| | C) | Light waves are too wide to etch smaller lines |
| | D) | Smaller components are governed by quantum physics. |
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23 | |
Secondary storage device speeds are measured in: |
| | A) | Milliseconds |
| | B) | Nanoseconds |
| | C) | Microns |
| | D) | Megabytes |
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24 | |
One connector, which was introduced in 1998, can transfer data at extremely high speeds and easily connect devices. It's known as: |
| | A) | PCI |
| | B) | IEE 1394 |
| | C) | SCSI |
| | D) | RAM |
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25 | |
A parallel-processing computer is faster than a single-processor computer only when: |
| | A) | There are several jobs and each processor is assigned to different jobs |
| | B) | There are multiple files opened. |
| | C) | The main tasks are assigning jobs and collecting the results. |
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26 | |
Identify the device that is NOT an Input device. |
| | A) | Mouse |
| | B) | Scanner |
| | C) | Light Pen |
| | D) | PCI Bus |
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27 | |
OCR is an acronym for: |
| | A) | Optical Computer Randomizer |
| | B) | Optical Character Recognition |
| | C) | Ocular Case Resterizer |
| | D) | Optimal Character Randomizer |
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28 | |
Which device is used to convert audio signals into numeric data? |
| | A) | Synchronizer |
| | B) | Sampler |
| | C) | Synthesizer |
| | D) | Sound boards |
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29 | |
A _____________ is required to create video output on a monitor. |
| | A) | PCI Bus |
| | B) | Video Card |
| | C) | Fire wire |
| | D) | 3D image |
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30 | |
23. How many bytes in a terabyte: |
| | A) | 100 |
| | B) | 1000 |
| | C) | 1 million |
| | D) | 1 trillion |
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31 | |
24. Which type of drive is used to create backup data? |
| | A) | Mirror |
| | B) | Optical |
| | C) | Magnetic |
| | D) | RAM |
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32 | |
RAD is an acronym for: |
| | A) | Random Access Individual Drive |
| | B) | Read All Inquiry Drive |
| | C) | Redundant Array of Independent Drives |
| | D) | Random Access Inquiry Drive |
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33 | |
Which type of secondary storage device only allows to read data? |
| | A) | CD-R |
| | B) | DVD |
| | C) | CD-ROM |
| | D) | PCMCIA |
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34 | |
Compared with CD-ROMS, DVDs can hold: |
| | A) | 2000 megabytes |
| | B) | 1000 megabytes |
| | C) | 8000 megabytes |
| | D) | 650 megabytes |
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35 | |
Which company developed the UNIX operating system that was hardware independent? |
| | A) | Xerox |
| | B) | Sun |
| | C) | IBM |
| | D) | AT&T |
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36 | |
When choosing an web server, you generally look all the characteristics EXCEPT: |
| | A) | Ease of backups |
| | B) | Ease of maintenance |
| | C) | Low cost |
| | D) | Scalability |
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37 | |
30. When choosing a computer system, you should primarily consider its: |
| | A) | Ease of use |
| | B) | Productivity |
| | C) | Application software |
| | D) | Hardware |
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38 | |
Database Management Systems offer advantages such as: |
| | A) | The ability to search data by criteria |
| | B) | The management of complex queries |
| | C) | Offers scalability with your databases |
| | D) | Decreases costs of buying secondary storage devices |
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2003 McGraw-Hill Higher Education