Information technology - EI option 2

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Uploaded: 30.03.2013
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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) The function of paragraphs 1, 2 and 3;
5) the function of paragraphs 1 and 3.
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.

Activity 3
Question 1. Decimal 30 is written in binary as:
1) 10011;
2) 11110;
3) 10101;
4) 100111;
5) 100001.
Question 2. What components are placed in the system unit?
1) motherboard, disk drives, expansion boards;
2) power supply, floppy disks, expansion cards;
3) power supply, motherboard, disk drives, expansion boards;
4) CD-ROM, motherboard and expansion cards;
5) there is no right answer.
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

Additional information

answers to 12 tasks on 5 test questions

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