Informatics. Tests with answers IMEI (12 jobs)

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.