Examination on discipline of IITPD

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Examination on discipline IITPD OPTION 2
1. The police officer is on patrol one guo of 64 routes. How many bits
the message on where there is a police officer contains information?
2. Values expression in binary numeral system it is equal:
3. Capacity of one conditional printed page is equal about 84 Kbytes, and one character occupies 8 bits. What is the time (in min.) it will be required for printout of the text of one document (4 усл. item of l.) on the printer (printing speed - 512 characters per second) without paper change?
4. What number of bits of information contains in the message "the police officer selected by system in the expert of 1 class - the mentor" has a qualification rank if in a system of 16 employees having this qualification rank and 240 employees having other qualification ranks?
5. To solve the equation:
6. To determine the volume of text information of criminal case on 4J villages if on one page 41 from graters (i) and 112 characters in line. One character occupies 8 bits.
7. The message "the police officer in case of delivery of standards for physical training received an assessment satisfactorily" bears 4 bits of information. Probability of receiving by the employee
unsatisfactory assessment by 32 times {and) below. To define amount of information in the message "the police officer in case of delivery of standards for physical training received an assessment unsatisfactorily".
8. Data transmission rate through ADSL connection is equal to 128000 bps. Transmission of the file through this connection took 9 min. You will define file size in kilobytes.
Task 2. Coding of information
I. To translate from a decimal numeral system:
2. To transfer to a decimal numeral system:
a) from binary
b) from octal
c) from hexadecimal

Task 3. Quantitative measure of information
1. For record of the confidential message the alphabet by capacity in 1024 of a symbol(s) has been used. The message consisted of 43 lines. In every line together with gaps was the 247th symbol(s). How many byte of information the confidential message contained?
2. The confidential message consisted of 512 lines. In every line together with gaps on 2048 symbols. The message contained 1441792 bytes of information. What capacity of the alphabet (quantity of symbols) to which the confidential message has been written?
3. In division of Department of Internal Affairs of the city of Ickx of 417 service premises. How many bit the binary word shall contain to code all service premises in this division?
4. In case of a search two textual records containing identical quantity have been withdrawn
symbols. The first text consisted of the alphabet capacity of 16 symbols, the second text – of 512 symbols. In how many time of information in the second document it is more, than in the first?
5. The information message is transferred within 15 minutes with a speed of 60 bytes per second. How many symbols this message contained if the alphabet from 64 symbols has been used?
6. When guessing an integer in some range 15 bits of information have been received. How many numbers this range contained?
7. The staff of three divisions takes part in doctrines: Betga, Scale and Delta. Employees the Scale is 4 times more than employees of Betga, and employees the Delta are 495 more, than employees Scale.
The message that the employee Gamma is chosen contained 4 bits of information. How many employees the Delta took part in doctrines?

Additional information

Job 4. Hardware of the PC
1. Frequency of the processor is equal to 1.197 GHZ, frequency multiplication coefficient to What bus FSB frequency is equal?
2. To define quantity of the addresses provided with the address bus if digit capacity of the bus is equal 24 bits.
3. Between the north-bridge and the processor data are transferred on the front-side bus with a frequency of 3 times over the frequency of data bus. To define throughput of the front-side bus if digit capacity of the front-side bus is equal 64 bits, and data bus frequency 200 MHZ and 1 KB/s =1024 Bps?
4. Throughput of the front-side bus is equal 51200000 Kbps. To define in how many time the effective frequency of the front-side bus exceeds rated frequency if digit capacity of the processor is equal 64 bits, and rated frequency of the front-side bus 200 MHZ? Note. 1 Kbps of =1000 bps.
5. Digit capacity of the processor makes 64 bits. What is memory bus frequency equal to if throughput of the memory bus is equal to 1562500 KB/ss?
6. The greatest natural number encoded by 10 bits.
7. Number of bytes necessary for number designation 2
8. Number of bytes necessary for number designation 256
9. In a pack of 32 cards. From a pack in a random way drew out an ace, then put it back and reshuffled a pack. After that from a pack drew out the same ace. What number of bits of information the amount contains these two messages? In a pack four aces.
10. The message that the criminal is on the 4th floor bears 3 bits of information. How many floors in the house?
Job 5. Computer diagrams and audio of technology
1. What is necessary memory size (in kilobytes) for storage of the graphics image of the size 512 * 256 provided that the greatest possible number of flowers is equal in a palette of the image to 512?
2. For storage of area of the screen of the monitor of 1024*512 points in size 128 Kbytes of a random access memory are selected. What maximum number of flowers is admissible to use for a coloring of points?
3. The image has 32 gradation of brightness. Image size of 12.5*17.5 cm. Permission
500 dots per inch (1 inch = 2.5 cm). How many the Kbyte of memory is required for storage of the image in an uncompressed look?
4. In the course of conversion of the raster graphic file the amount of colors decreased with 65536 to 16. In how many time the information volume of the file decreased?
5. For coding of background color of the page the Internet is used the bgcolor=#XXXXXX attribute,
where hexadecimal values of intensity of color components are in quotes set in
24-bit RGB model. What color the page set by a tag will have <body
6. How many different levels of signals the 8-bit sound card allows to provide?
7. Estimate monoaudio file volume (in kilobytes) lasting sounding of 58 sec. In case of sampling rate 34.65 kHz and permission of 16 bits.
8. The volume of the sound file of 13.68 MB, digit capacity of a sound card - 16. What duration
soundings of this monoaudio file (in minutes) written with sampling rate 37.64
Job 6. Electronic spreadsheets
The fragment of the electronic spreadsheet containing numbers and formulas is provided. After the specified action it is necessary to define a rezult</body


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