Informatics (tests MEI)

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Uploaded: 27.09.2013
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Description

Task 1
Question 1. In what form the information received PC (personal computer)?
1) in the form of digital signals (digital computer);
2) as a continuous signal (analog computer);
3) it is mainly in the form of digital signals, and sometimes - a continuous signal;
4) substantially 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) bits can have any value;
2) 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: Which set of core functions must comply with all computers?
1) entering and storing information;
2) arithmetic and logical conversion and output of information;
3) management of all devices included in the computer;
4) input and information storage, arithmetic and logical conversion and output of information, management of all devices included in the computer
5) input and information storage, management of all devices included in the computer
Question 4. 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 5: What is a computer?
1) is a device or system capable of performing a specified clearly spent a sequence of operations;
2) a device which can only be used instead of the calculator;
3) difficult to answer;
4) a device or system capable of performing any task assigned to it by the user;
5) is a device or system that is not capable of performing a specified clearly spent a flowchart.

Task 2
Question 1: What are the main parts of a personal computer is?
1) monitor, keyboard, mouse and printer;
2) the system unit, monitor and keyboard;
3) The system unit, keyboard and printer;
4) CD-ROM, the system unit and keyboard;
5) monitor, printer and system unit.
Question 2. What kind of information can be recorded on a CD-ROM?
1) Any;
2) the text of the programs;
3) separate systems and modules;
4) The image and audio files;
5) there is no right answer.
Question 3. Using a standard device can connect your computer to the global network?
1) using a network card;
2) by using a sound card;
3) a modem;
4) The device is not needed - enough to have relevant programs;
5) there is no right answer.

Question 4: What are the ROM?
1) for the temporary storage and retrieval of information;
2) for permanent storage and retrieval of information that can not be changed;
3) for long term storage and readout of information that rarely changes;
4) for any type of storage media (both temporary and long-term) and the read information;
5) there is no right answer.
Question 5. What is the purpose of RAM?
1) for temporary storage, reading and recording information;
2) for permanent storage and retrieval of information that can not be changed;
3) long-term storage, recording and reading information, which varies extremely rare;
4) for any type of storage media (both temporary and long-term), writing and reading;
5) there is no right answer.

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