Computing Test 170 questions with answers

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1. Foundations of Computer Science

Task 1

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, the value is the number of bits

0;

4. bit - is the basic unit of information is the bit value

octal number 2;

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

or 1.



Question 3: In order to measure large amounts of information using such units

like 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.

record numbers in the decimal system uses numbers from 0 to 9; in binary notation

Any number written as a sequence of 0 and 1; for octal

writing numbers with digits from 0 to 7; hexadecimal numbers can be

record 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.

record numbers in the decimal system uses numbers from 0 to 10; in binary notation

Any number written as a sequence of 0 and 1; for octal

writing numbers with digits from 0 to 8; hexadecimal numbers can be

record the numbers from 0 to 16.

3. Based on these number systems are, respectively, the number of 10, 2, 8, 16.

record numbers in the decimal system uses numbers from 0 to 8; in binary notation

Any number written as a sequence of 0 and 1; for octal

writing numbers with digits from 0 to 10; hexadecimal numbers can be

record the numbers from 0 to 16.

4. Based on these number systems are, respectively, the number of 10, 2, 8, 16.

record numbers in the decimal system uses numbers from 0 to 9; in binary notation

Any number written as a sequence of 0 and 1; for octal

writing numbers with digits from 0 to 8; hexadecimal numbers can be

record the numbers from 0 to 17. In computing is only a decimal

number system.

5. Based on these number systems are, respectively, the number of 10, 2, 8, 16.

record numbers in the decimal system uses numbers from 0 to 9; in binary notation

Any number written as a sequence of 0 and 1; for octal

writing numbers with digits from 0 to 8; hexadecimal numbers can be

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.



Task 2



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.

Question 3.

Additional information

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

(1 character takes 1 byte), print speed - 100 characters per second. Excluding the change

Paper to print text on the printer will require minutes (rounded to the nearest whole answer

numbers):

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

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 reading

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

rarely;

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

read information;

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.



Task 4

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.



Task 5



Question 1. What is memory?

1. The software application;

2. The electronic device for storing data;

3. The apparatus for performing arithmetic operations;

4. All statements are true.

5. there is no right answer.



Question 2. What is the hard drive - the hard drive?

1. The program for storing data;

2. The apparatus for testing computer;
etc.


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