Lesson 3

Question 1

A special machine that performs task, such as calculations, data processing, and handling

Answer 1

Computer

Question 2

Computer is under the control of a set of instructions

Answer 2

Program

Question 3

It usually reside within a computer and are retrieved and processed by the computer’s electronics

Answer 3

Program

Question 4

A microprocessor chip that is a single piece of silicon containing millions of tiny microscopically wired electrical components

Answer 4

CPU / Central Processing Unit

Question 5

Information is stored in a CPU memory location

Answer 5

Register

Question 6

Thought as the CPUS tiny scratchpad, temporarily storing instructions or data

Answer 6

Register

Question 7

It keeps track of which program instructions comes next by maintaining memory location

Answer 7

Program counter

Question 8

Determines what the instruction will do

Answer 8

Decoder

Question 9

The entire sequence of steps is called an

Answer 9

Instruction Cycle

Question 10

Four Main Functions of a Computer

Answer 10

Accepts data
Processes data
Produces output
Stores results

Question 11

A device that are both output and input

Answer 11

Touchscreen

Question 12

Example of a 3d printer

Answer 12

Cloud printer

Question 13

Example of impact printer

Answer 13

Dot matrix printer

Question 14

A volatile; stores current data and programs; the more of it, the faster system

Answer 14

RAM

Question 15

Meaning of RAM

Answer 15

Random Access Memory

Question 16

A memory device:
Permanent storage of program; hold the computer boot directons

Answer 16

ROM / Read Only Memory

Question 17

ROM means

Answer 17

Read Only Memory

Question 18

Example of memory device

Answer 18

RAM
ROM

Question 19

It holds data and program permanently; different from RAM

Answer 19

Storage Device

Question 20

Floppy and hard drive

Answer 20

Magnetic Storage

Question 21

Uses a magnet to access data

Answer 21

Magnetic Storage

Question 22

This storage example is CD and DVD drives

Answer 22

Optical Drives

Question 23

Uses a laser to access a data

Answer 23

Optical storage

Question 24

Vary enormously in their computational power, speed, memory, and physical size.

Answer 24

Programmable computers

Question 25

Small computers tha can be held in one hand are called

Answer 25

PDA / personal digital assistants

Question 26

An example of small computer

Answer 26

Hand held game devices

Question 27

These are used in businesses and at homes to communicate in computer networks, for processing, to track finances, and for entertainment

Answer 27

Portable laptop, netbook, desktop pc

Question 28

Have more memory, speed and capabilities than workstations and usually shared by multiple users through a seried of interconnected computers

Answer 28

Mainframe computers

Question 29

They are used to control businesses and industrial facilities and are used for scientific research

Answer 29

Mainframe computers

Question 30

What are the types of computers

Answer 30

Digital
Analog

Question 31

It refers to the processes in computers that manipulate binary numbers (0s or 1s) which represent the switches that are turned on or off by electrical current

Answer 31

Digital

Question 32

It refers to circuits or numerical values that have a continuous range

Answer 32

Analog

Question 33

What type of computer:
Both 0 and 1 can be represented by _____ but so can 0.5, 1.5 or pi (3.14)

Answer 33

Analog

Question 34

What type of computer:
A bit can have the value 0 or the value 1 but nothing in between 0 and 1

Answer 34

Digital