Which of the following is correct?

• Computer software refers to all the physical components of a computer, including external peripherals.

• Computer software refers to all the physical components of a computer, whereas hardware refers only to external peripherals.

• Computer hardware refers to all the physical components of a computer, whereas software refers only to external peripherals.

• Computer hardware refers to all the physical components, whereas software refers to all the programs that control them.

• Computer hardware refers to all the physical components, including all the programs that control them.

The first general-purpose computer, created at Pennsylvania University in 1946 was named:

• Konrad Zuse’s Z1

• Alan Turing’s “The Bombe”

• Mark I

• ENIAC

• UNIVAC

When a server is dealing with many users, but assigns its resources to only one of them during a very short period o time, creating among the users the sensation that the computer is only dedicated to each one of them, we are talking about:

• Multidevice.

• Multitasking.

• Multimeter.

• Multiuserid.

• Multiprogramming.

Nowadays you can find embedded computers in:

• Household appliances such a microwave.

• Home cooking devices.

• Cars and other vehicles.

• Lifts.

• All of them.

The component of a computer that stores all CPU data along with the instructions of the program that controls it while it is running is called:

• The disk storage.

• The main or primary memory.

• The flash memory.

• The input device.

• The output device.

Which of the following is a general purpose port for connecting disks, printers, scanners, the mouse, the keyboard and other devices?

• HDMI

• VGA

• ETHERNET

• DVI

• USB

Which of the following is a reasonable capacity for a DIMM in a recent computer?

• 1MB

• 16MB

• 64MB

• 128MB

• 1GB

What does the so-called "Moore's Law” say?

• The number of operations that a CPU can execute doubles every six months

• The number of components in an electronic circuit doubles every 18 months

• The number of computers in the world doubles every 18 months

• The number of processors in a computer doubles every 6 months

• Your son or daughter will ask for a new computer every 18 months

In a memory hierarchy, which of the following should be the fastest one?

• Cache memory

• RAM memory

• ROM memory

• Persistent memory

• Hard disk storage

Which of the following sentences is true regarding membrane and mechanical keyboards?

• Membrane keyboards are more expensive, but they are more durable

• Mechanical keyboards are more durable and cheaper

• Membrane keyboards have a spring inside of each key

• Mechanical keyboards are used for intensive use

• Membrane keyboards give users tactile feedback about finger pressure