Computers and Their Function Study guide

Question 1

What is the purpose of a computer network?

Answer 1

To communicate and share information between computers

Question 2

Which of the following is an example of hardware?

Answer 2

A monitor,
A flash drive, and A keyboard

Question 3

Which of the following statements about hardware and software is true?

Answer 3

Software provides a set of commands for hardware to execute.

Question 4

The __________ was a major technological breakthrough that was able to perform all of a computer’s functions, which was a significant improvement over using a single __________ for each function.

Answer 4

microprocessor; integrated circuit

Question 5

Computers were first invented to improve the efficiency of which of the following tasks?

Answer 5

Both storing information and performing calculations

Question 6

Which of the following was a major motivation for the creation of early computers?

Answer 6

To manage data more efficiently

Question 7

Select the true statement about RAM.

Answer 7

It is volatile.

Question 8

Input and output devices are ways for the computer to interact with which of the following?

Answer 8

Users, Systems, and hardware

Question 9

The “brain” of the computer, which performs commands and returns results, is known as the __________.

Answer 9

CPU

Question 10

A “smart house” can connect home appliances to __________ to allow remote activation.

Answer 10

both a smartphone and tablet

Question 11

A tablet computer’s primary input is the __________.

Answer 11

touch screen

Question 12

A device that makes use of cloud computing can function without a(n) __________.

Answer 12

hard disk

Question 13

If your job requires you to work with a lot of large data files and compute new balances quickly, which of the following would you prioritize when selecting a computer?

Answer 13

Processing speed

Question 14

If you were interested in designing and building a video game, which of the following would you prioritize when looking for a computer?

Answer 14

High processing power and a large screen

Question 15

For a person who travels often, the main consideration in purchasing a computer would be __________.

Answer 15

portability

Question 16

Which of the following is an example of utility software?

Answer 16

McAfee Antivirus

Question 17

Which of the following is an example of productivity software?

Answer 17

Microsoft Excel

Question 18

Which of the following is NOT a type of application software?

Answer 18

Operating system software

Question 19

The CPU, RAM, hard disk, graphics card, and sound card all connect to the __________, which provides the majority of the electrical connections in a computer.

Answer 19

Motherboard

Question 20

The __________ is considered to be the brain of the computer.

Answer 20

CPU

Question 21

__________, also known as working memory, is the short-term memory used for tasks like processing applications that are currently running.

Answer 21

RAM

Question 22

A __________ is a device usually connected to a computer via USB that is used to input documents as an image or text file.

Answer 22

scanner

Question 23

A __________ is a device operated by finger that performs the same function as a mouse.

Answer 23

Touchpad

Question 24

A __________ is an output device usually connected to a computer via VGA cable that displays images, videos, or text files.

Answer 24

Monitor

Question 25

__________ makes the hardware usable, while __________ commands it to perform specific tasks.

Answer 25

The operating system; the application software

Question 26

__________ represent(s) the set of instructions to be executed by __________.

Answer 26

Software; hardware

Question 27

__________ represent(s) the tangible components of a computer.

Answer 27

Hardware

Question 28

A(n) __________ is a(n) __________ that stores up to approximately 2 terabytes of data long-term, even while the computer is off.

Answer 28

hard disk; primary storage device

Question 29

A __________ is a combination of parts that function collectively to achieve a desired outcome.

Answer 29

computing system

Question 30

Which of the following is an example of a device that could be both an input and output device?

Answer 30

A touchscreen monitor

Question 31

All data is stored __________ with polarities of 0 and 1, which are read as binary digits.

Answer 31

magnetically

Question 32

A __________ is equal to 1 billion bytes.

Answer 32

gigabyte

Question 33

Data can be accessed on any storage device only after the __________ locations have been determined.

Answer 33

read/write

Question 34

Which of the following storage sizes is largest?

Answer 34

4TB

Question 35

A __________ is a group of letters preceding a unit of measurement.

Answer 35

unit prefix

Question 36

Which of the following correctly orders the storage capacities from largest to smallest?

Answer 36

1TB, 1GB, 1MB, 1KB, 1B

Question 37

Which of the following is NOT contained in the hexadecimal numbering system?

Answer 37

K

Question 38

The decimal numbering system contains digits __________, while the octal numbering system contains digits __________.

Answer 38

0-9, 0-7

Question 39

__________ is the numbering system that is based on sixteen digits and is used for tasks like defining color.

Answer 39

Hexadecimal