week 4

Question 1

refers to any physical component of a computer

Answer 1

hardware

Question 2

also called
a central processor or main processor, is
the electronic circuitry within a computer that
executes instructions that make up a computer
program

Answer 2

CPU

Question 3

Converts text, sounds, and images into electrical signals

Answer 3

Data Representation

Question 4

Manipulates simple “on” and “off” signals to perform complex tasks

Answer 4

Digital Electronics

Question 5

Works with discrete - distinct or separate - data or digits, such as 1 and 0

Answer 5

Digital Device

Question 6

Works with continuous data

Answer 6

Analog Device

Question 7

Used in arithmetic operations

Answer 7

Numeric Data

Question 8

extended Binary Coded Decimal Interchange Code
An alternative 8-bit code used by IBM mainframe computers

Answer 8

EBCDIC

Question 9

Provides codes for 65,000 characters and makes use of 16 bits

Answer 9

UNICODE

Question 10

Composed of four (4) bits
A halfway between a little bit and a big byte

Answer 10

NIbble

Question 11

Also known as main board

Answer 11

motherboard

Question 12

Sometimes known as processor
the most significant component of computer
Usually the most expensive single component

Answer 12

Microprocessor

Question 13

List of instructions that a microprocessor can perform

Answer 13

Instruction Set

Question 14

the electronic that holds place for instructions and data which the microprocessors can reach quickly

Answer 14

Memory

Question 15

A technique of collecting, manipulating, and distributing data to achieve certain functions

Answer 15

Data Processing

Question 16

A collection of objects, procedures, or techniques that interact in regulated manner to form an organized whole

Answer 16

Computer Systems

Question 17

His computerarchitecture design consistsof aControl Unit,(ALU), Memory Unit,Registersand Inputs/Outputs. Arithmetic and Logic Unit

Answer 17

Von Neumann architecture

Question 18

integrates and coordinates overall operations

Answer 18

Central Processing Unit (CPU)

Question 19

reads data and converts them into electronic pulse

Answer 19

input subsystems

Question 20

reports the results of the processing by the CPU

Answer 20

Output subsystem

Question 21

also known as the “secondary storage”
allows for extra data storage, exceeding the CPU’s primary storage

Answer 21

Memory Subsystem

Question 22

Common I/O Peripherals

Answer 22

keyboard
Mouse
Monitor
Hard disk
Printer

Question 23

Other I/O Peripherals

Answer 23

CD/DVD-ROM Drive
Modem
Sound Card
Scanner

Question 24

Memory

Answer 24

Random Access Memory (RAM)
Read Only Memory (ROM)

Question 25

Enables the user to add special information to the ROM

Answer 25

Programmable Read Only Memory (PROM)

Question 26

An imaginary memory area supported by the software in conjunction with the hardware

Answer 26

Virtual Memory

Question 27

Mass Storage Components

Answer 27

Floppy Disks Compact Disc Digital Versatile Disc Zip Disk

Question 28

Small desktop systems with limited I/O devices

Answer 28

Microcomputers

Question 29

A general-purpose computing device

Answer 29

Minicomputers

Question 30

A very large and expensive computer capable of supporting thousands of users simultaneously

Answer 30

Mainframe

Question 31

Medium sized computers Relatively inexpensive and designed for individual users

Answer 31

Desktop PCs

Question 32

Fastest type of computers Employed for specialized applications Weather forecasting Animated graphics Fluid dynamic calculations Nuclear energy research

Answer 32

Supercomputers