M3S1

Question 1

is a case that contains
electronic components of the computer used to
process data.

Answer 1

system unit

Question 2

The inside of the system unit on a desktop personal

computer includes:

Answer 2

Drive bay(s)
Power supply
Sound card
Video card
Processor
Memory

Question 3

the main circuit board of the

system unit

Answer 3

motherboard

Question 4

contains integrated circuits

Answer 4

computer chip

Question 5

interprets and carries out the basic instructions

that operate a computer

Answer 5

processor

Question 6

also called the central processing unit

CPU

Answer 6

processor

Question 7

kinds of processors:

Answer 7

Multi-core
processor
Dual-core
processor
Quad-core
processor

Question 8

Contain a control unit and an arithmetic logic unit (ALU)

Answer 8

processor

Question 9

the component of the processor
that directs and coordinates most of the operations in
the computer

Answer 9

control unit

Question 10

performs arithmetic,

comparison, and other operations

Answer 10

arithmetic logic unit (ALU)

Question 11

For every instruction, a
processor repeats a set of
four basic operations,
which comprise a machine
cycle:

Answer 11

store > fetch > decode > excecute

Question 12

The pace of the system clock is called the

Answer 12

clock speed

Question 13

The pace of the system clock is measured in

Answer 13

gigahertz (GHz)

Question 14

controls
the timing of all computer
operations

Answer 14

system clock

Question 15

These are the physical, tangible

parts of the computer system

Answer 15

hardware

Question 16

hardware can be classified as

Answer 16

input, output, processing, and storage devices

Question 17

These are the ones that you use to enter

data to the computer.

Answer 17

input devices

Question 18

These are the devices where
you can see the result of your
computer’s processes.

Answer 18

output devices

Question 19

These are the components responsible for
the processing of information within the
computer system.

Answer 19

processing devices

Question 20

These are components which allow data to

be stored within a computer system.

Answer 20

storage devices

Question 21

Can only have a value of either 0 or 1.

Answer 21

• Bit (Binary Digit)

Question 22

8 bits (also known as a Character)

Answer 22

• Byte

Question 23

A code that assigns characters, such as ‘a’, ‘b’, etc. unique 8-bit values. This
allows information created on one computer to be understood by other computers.

Answer 23

ASCII

Question 24

most common code, used in

virtually all personal computers and most larger computers as well.

Answer 24

ASCII

Question 25

1024 bytes (or 2^10 bytes).

Answer 25

kilobyte

Question 26

1024 * 1024 bytes (or 2^20 bytes). Roughly one million bytes.

Answer 26

Megabyte

Question 27

1024 * 1024 * 1024 bytes (or 2^30 bytes). Roughly one billion bytes.

Answer 27

Gigabyte

Question 28

1024 * 1024 * 1024 * 1024 bytes (or 2^40 bytes). Roughly one trillion
bytes.

Answer 28

Terabyte