# Information 34 test answers 5 questions on job

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Question 1. In what form the information received PC (personal computer)?

1 in the form of digital signals (digital computer);

2 in the form of continuous signals (analog computer);

3 mainly in the form of digital signals, and sometimes - a continuous signal;

4 mainly in the form of continuous signals, and sometimes - in the form of discrete signals

5. there is no right answer.

Question 2. What is the bit?

1. The bit can take on any value;

2. The bit is the basic unit of information is the number of bits of value 1;

3. bit - is the basic unit of information is the number of bits of value 0;

4. bit - is the basic unit of information, bit value is an octal number 2;

5. bit - is the basic unit of information is the bit value of 0 or 1.

Question 3: In order to measure large amounts of information using such units as the kilobytes, megabytes, gigabytes. What is the KB?

1. 1 Kilobyte = 1000 bytes or 103 bytes;

2. 1 Kilobyte = 1 million bytes, or 106 bytes;

3. 1 Kilobyte = 1 billion bytes, or 109 bytes;

4 1 K = 1024 bytes or 210 bytes;

5. 1 Kilobyte = 1,048,576 bytes, or 220 bytes.

Question 4. What is different decimal, binary, octal and hexadecimal number system?

1. Based on these number systems are, respectively, the number of 10, 2, 8, 16. When writing numbers in the decimal system uses numbers from 0 to 9; in any binary number is written as a sequence of 0 and 1; octal numbers are used to record the numbers from 0 to 7; hexadecimal numbers can be recorded with 16 characters - digits from 0 to 9 and Latin letters from A to F;

2. Based on these number systems are, respectively, the number of 10, 2, 8, 16. When writing numbers in the decimal system uses numbers from 0 to 10; in any binary number is written as a sequence of 0 and 1; octal numbers are used to record the numbers from 0 to 8; hexadecimal number, you can record the numbers from 0 to 16.

3. Based on these number systems are, respectively, the number of 10, 2, 8, 16. When writing numbers in the decimal system uses numbers from 0 to 8; in any binary number is written as a sequence of 0 and 1; octal numbers are used to record the numbers from 0 to 10; hexadecimal number, you can record the numbers from 0 to 16.

4. Based on these number systems are, respectively, the number of 10, 2, 8, 16. When writing numbers in the decimal system uses numbers from 0 to 9; in any binary number is written as a sequence of 0 and 1; octal numbers are used to record the numbers from 0 to 8; hexadecimal number, you can record the numbers from 0 to 17. In computing is only used the decimal system.

5. Based on these number systems are, respectively, the number of 10, 2, 8, 16. When writing numbers in the decimal system uses numbers from 0 to 9; in any binary number is written as a sequence of 0 and 1; octal numbers are used to record the numbers from 0 to 8; hexadecimal number, you can record the numbers from 0 to 16.

Question 5. Decimal 30 is written in binary as:

1. 10011;

2. 11110;

3. 10101;

4. 100111;

5. 100001.

Question 1: The basic unit of measurement of the amount of information - it is:
1. Byte;

2 Kbytes;

3. MB;

4. Bit;

5. The eight bits.

Question 2. Given the number system: base 2, 8, 10, 16. Record type 100
1. Binary offline;
2. There is in all of these;
3. there is no decimal;
4. offline octal;
5. absent in 16-tion.

Item 3. If test variant has an average volume of 20 kbps (every page test 40 lines of 64 characters each, one character is one byte), the number of pages in the test well (answer rounded to a whole page): 1. 10;

2. 16;

3. 8;

4. 4;

5. 12.

Question 4. The capacity of the printed text is about 60 Kbytes

(1 character takes 1 byte), print speed - 100 characters per second. Without changing the paper to print text on the printer will require minutes (the answer is rounded to the nearest whole number):

1. 256;

2. 10;

3. 17;

4. 12;

5. 1024.

Question 5 The most important properties of information are:

1. The accuracy and completeness;

2. value;

3. relevance;

4. The clarity and intelligibility;

5. All of the above.

2. HARDWARE modern computing

Activity 3

Question 1: Given the approval of:
1. Hard disk capacity determines the performance of your computer.
2. The characteristics of monitors in determining image quality include size, weight, body material.
3. The processor comprises two main devices: an arithmetic logic unit and the control unit.
Among them they are the only true

1. 1;

2. 2;

3. 3;

4. 1, 2 and 3;

5. 1 and 2.

Question 2. Push-button input device symbolic information into a computer - is:
1. Scanner

2. Mouse

3. Trackball

4. Joystick

5. Keyboard.

Question 3. What are the ROM?

1. for temporary storage and retrieval of information;

2. The permanent information storage and retrieval, which is not subject to change;

3. The long-term storage and reading of information that rarely changes;

4 for any kind of storage media (both temporary and long-term) and the read information;

5. there is no right answer.

Question 4: What is the purpose of RAM?

1 for temporary storage, reading and recording information;

2. The permanent information storage and retrieval, which is not subject to change;

3. The long-term storage, recording and reading information, which varies extremely rare;

4 for any kind of storage media (both temporary and long-term), data recording and reading;

5. there is no right answer.

Question 5. Which of the following devices are input devices?

1. keyboard, printer;

2. scanner, printer;

3. keyboard, scanner;

4. drive, printer;

5. there is no right answer.

Question 1. The manipulator "mouse" - a device:
1. O;

2. Input;

3. The reading of the information;
4. The image scanning;

5. The storage of information.

Question 2. Is it true statement:
1. Keyboard - I / O device;

2. Printer - encoding apparatus;
3. Computer type Note Book - a pocket calculator;
4. Monitor - an input device;

5. CD-ROM - an input device.

Question 3. Is it true statement
1. Printer - input / output device;

2. CD-ROM - an output device;
3. The CD-ROM - a device for storing information;
4. Keyboard - I / O device;

5. Monitor - an input device.

Question 4: What kind of information can be recorded on a CD-ROM?

1. any;

2. The texts of the programs;

3. separate systems and modules;

4. The graphics and sound files;

5. there is no right answer.

Question 5. What is the processor?

1. The apparatus for maintaining power to the computer;

2. The calculation program of the organization;

3. The apparatus for performing arithmetic and logic operations;

4. The device providing information storage disk.

5. there is no right answer.