Technical Itinerary self-evaluating test

Choose among the following answers the correct one.Click on the corresponding side circle.



1. What does the term "clock" mean (referred to a personal computer)?

a)
The system clock that continually updates the date and time used by the computer
b)
The electrical signal, generated by the computer, that determines the working tempo for the microprocessor. Clock speed is measured in MHz (megahertz: millions of pulses per second) or GHz (gigahertz: billions of pulses per second).
c)
A particular type of memory, located on the motherboard, that stores all the basic information needed by the personal computer (date, time, installed peripherals, etc.).

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2. Are the data stored in RAM memory erased when the computer is turned off?

a)
Yes always.
b)
No, never.
c)
Yes, but only if the computer power cord is unplugged.

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3. Is the read/write rate (access time) of a permanent memory device like a hard disk (HD) faster or slower than that of a volatile memory like RAM?

a)
It depends on the models. The R/W rate of the latest-generation HDs is practically identical to that of the RAMs.
b)
The R/W rate of a hard disk is always much higher than that of the RAMs.
c)
The HD R/W rate of a hard disk is millions of times lower than that of any RAM.

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4. Can the PC user save data on a compact disk (CD)?
a)
Yes, if he uses special CDs and a drive called a CD recorder or burner.
b)
No, because CDs are read-only supports.
c)
Yes, using normal CD drives.

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5. What is an I/O port?

a)
A series of sockets on the back of the computer, used for connecting external peripherals (monitor, keyboard, mouse, etc.).
b)
Special connections for transferring data over a telephone line.
c)
Connectors used for supplying power to the computer.

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6. What is the only type of external peripherals can be connected "hot"; that is, with the computer running?
a)
Monitor.
b)
Any peripheral connected to the parallel port (e.g., printers).
c)
Any "USB" peripheral.

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7. Which type of monitor makes use of the same technology as normal TV sets?

a)
Plasma monitor.
b)
LCD monitor.
c)
CRT monitor.

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8. Which type of printer guarantees a printshop-quality result at high speed?

a)
Laser printer.
b)
Dot-matrix printer.
c)
Ink-jet printer.

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9. Which device permits transmitting and receiving data over a telephone line?
a)
Scanner.
b)
Modem.
c)
Serial port.

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10. What is the meaning of the term "bandwidth," referred to a connection?

a)
The maximum amount of data that can be transferred per unit time.
b)
The maximum number of users who can connect simultaneously.
c)
The greater or lesser availability of a given type of connection in a given territory.

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11. What is the maximum bandwidth of a normal telephone line?

a)
128 kbps (kilobytes per second).
b)
56 kbps (kilobytes per second).
c)
640 kbps (kilobytes per second).

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12. Which of the following is a characteristic of a "symmetrical" connection?

a)
Transmission and reception speeds are equal.
b)
It is possible to transmit and receive simultaneously.
c)
It is impossible to transmit and receive simultaneously.

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13. Which order of these different types of connections reflects increasing bandwidth: ISDN, HDSL, PSNT, ADSL?
a)
HDSL, PSNT, ISDN, ADSL.
b)
PSNT, ISDN, ADSL, HDSL.
c)
ISDN, PSNT,ADSL, HDSL.

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14. What is a "flat rate" telephone plan?
a)
A rate plan that does not calculate distance as a price variable.
b)
A rate plan that allows the subscriber to call a selected number as many times and for as long as desired for an all-inclusive fee
c)
A special rate plan applicable only in the evening hours.

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15. Which type of connection is "permanent"; that is, "always-on" 24-hours-a-day, with no need to dial a telephone number?

a)
ISDN.
b)
PSNT.
c)
ADSL.

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16. What is the SSL protocol?
a)
A procedure that encrypts data transmitted over the Internet to guarantee transmission security and confidentiality.
b)
A type of connection featuring a particularly high bandwidth.
c)
A type of transmission over satellite connections.

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17. Which of the following abbreviations precedes the normal website address (www.etc....) to indicate a secure connection (the data transmitted is encrypted and cannot be intercepted)?
a)
HTTP+
b)
HTTPS
c)
HTTP

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18. Before its operating system is installed, what operations can a computer perform?

a)
Only elementary operations.
b)
No type of operation. The computer starts and immediately stops, giving an error message.
c)
Any operation that does not require use of external peripherals.

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19. Which of the following types of operating systems is a command-line OS (that is, an operating system without a graphic interface or GUI)?
a)
Windows 98.
b)
Ms-Dos.
c)
Mac-Os.

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20. What does the term "Shareware" mean?
a)
A particular type of user license in common use for programs downloaded from the Internet.
b)
A type of software used for networking two or more computers.
c)
An Internet data transmission protocol.

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21. What kinds of external peripherals can be connected to a modern notebook computer?
a)
Only PCMCIA peripherals.
b)
Only peripherals specially designed for the notebook by its manufacturer.
c)
In practice, any peripheral now available on the personal computer market.

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22. Which of the following is true about the bandwidth of a cellular network connection?

a)
Bandwidth is equal to that of a traditional telephone line (PSNT) connection.
b)
Bandwidth is much lower than that of a traditional telephone line (PSNT) connection.
c)
Bandwidth is much higher than that of a traditional telephone line (PSNT) connection.

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23. Arrange the following cellular network connection standards in order of increasing bandwidth: GPRS, GSM, UMTS.
a)
GSM, GPRS, UMTS.
b)
GPRS, GSM, UMTS.
c)
UMTS, GSM, GPRS.

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