Module 3: "HARDWARE COMPONENTS OF PERSONAL COMPUTER"

Question 1

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

Answer 1

The system unit (NOT CPU ☺)

Question 2

The case of the system unit, sometimes called the _______, is made of metal or plastic and protects the internal electronic components from damage.

Answer 2

chassis

Question 3

The inside of the system unit on a desktop personal computer includes:
(6)

Answer 3

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

Question 4

is the main circuit board of the system unit

Answer 4

motherboard

Question 5

A _________ contains integrated circuits

Answer 5

computer chip

Question 6

The processor, also called the _________, interprets and carries out the basic instructions that operate a computer

Answer 6

central processing unit (CPU)

Question 7

The processor contain two unit:

Answer 7

Contain a control unit

arithmetic logic unit (ALU)

Question 8

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

Answer 8

control unit

Question 9

The _________ performs arithmetic, comparison, and other operations

Answer 9

arithmetic logic unit (ALU)

Question 10

For every instruction, a processor repeats a set of ________, which comprise a machine cycle.

Answer 10

four basic operations
1. Fetch
2. Decode
3. Execute
4. Store

Question 11

The pace of the system clock is called the ________, and is ________

Answer 11

clock speed

measured in gigahertz (GHz)

Question 12

The _______ controls the timing of all computer operations

Answer 12

system clock

Question 13

_________ consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data

Answer 13

Memory

Question 14

Memory stores three basic categories of items

Answer 14

The operating system and other system software

Application programs

Data being processed and the resulting information

Question 15

Memory size is measured in (4)

Answer 15

kilobytes (KB or K), megabytes (MB),
gigabytes (GB),
or terabytes (TB)

Question 16

The system unit contains two types of memory:

Answer 16

Volatile memory

Nonvolatile memory

Question 17

Loses its contents when
power is turned off
.
what memory

Answer 17

Volatile memory
.
Example includes RAM

Question 18

Does not lose contents when power is removed
.
what memory

Answer 18

Nonvolatile memory
.
Examples include ROM, flash memory, and CMOS

Question 19

Three basic types of RAM chips exist:

Answer 19

Dynamic RAM (DRAM)
.
Static RAM (SRAM)
.
Magnetoresistive RAM (MRAM)

Question 20

is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit. The capacitor can be either charged or discharged

Answer 20

Dynamic RAM

Question 21

has three different states. It can be in: standby (the circuit is idle), reading (the data has been requested) and writing (updating the contents).

Answer 21

Static RAM

Question 22

data in MRAM is not stored as electric charge or current flows, but by magnetic storage elements.

Answer 22

Magnetoresistive RAM

Question 23

SDRAM

Answer 23

Singe Data rate RAM

Question 24

DDR SDRAM

Answer 24

Double Data Rate Synchronous Dynamic RAM

Question 25

* memory transfer data on both the rising and falling edges of the clock signal * 400 MT/s

Answer 25

Double Data Rate Synchronous Dynamic RAM

Question 26

8.5 GT/s; “dual channel mode”; memory installed in pairs

Answer 26

DDR2 SDRAM

Question 27

* Operates at lower voltages; consuming less power * 12.8 GT/s; dual and triple channel modes

Answer 27

DDR3 SDRAM

Question 28

______ usually reside on a memory module and are inserted into memory slots.

Answer 28

RAM chips

Question 29

RAM chips usually reside on a _________ and are inserted into memory slots.

Answer 29

memory module

Question 30

__________ speeds the processes of the computer because it stores frequently used instructions and data

Answer 30

Memory cache

Question 31

______________ refers to memory chips storing permanent data and instructions

Answer 31

Read-only memory (ROM)

Question 32

________ can be erased electronically and rewritten

Answer 32

Flash memory

Question 33

__________ provides high speeds and consumes little power

Answer 33

CMOS technology

Question 34

________ is a non-volatile storage device which stores digitally encoded data on rapidly rotating platters with magnetic surfaces.

Answer 34

A hard disk drive (often shortened as "hard disk“, "hard drive", or "HDD")

Question 35

Strictly speaking, "______" refers to a device distinct from its medium.

Answer 35

drive

Question 36

_______ is an optical disc storage media format.

Answer 36

DVD, also known as "Digital Versatile Disc" or "Digital Video Disc,"

Question 37

DVD

Answer 37

Digital Versatile Disc Digital Video Disc

Question 38

DVDs are of the same dimensions as compact discs (CDs) but store more than ______ as much data.

Answer 38

six times

Question 39

_______ is an optical disc storage medium to supersede the standard DVD format.

Answer 39

Blu-ray Disc

Question 40

Its main uses are for storing PlayStation 3 games, high- definition video and data storage with up to 50GB per disc.

Answer 40

Blu-ray Disc

Question 41

______ consists of a NAND-type flash memory data storage device integrated with a USB (Universal Serial Bus) interface.

Answer 41

USB flash drive

Question 42

USB

Answer 42

(Universal Serial Bus)

Question 43

______ are typically removable and rewritable

Answer 43

USB flash drives

Question 44

A ________ is a solid-state electronic flash memory data storage device capable of storing digital contents.

Answer 44

memory card or flash memory card

Question 45

These are mainly used with digital cameras, handheld and Mobile computers, mobile phones, music players, digital cinematography cameras, video game consoles, and other electronics.

Answer 45

memory card or flash memory card

Question 46

The ______ is used to type data into the computer.

Answer 46

keyboard

Question 47

_________ move some object on the screen and can do some action.

Answer 47

Pointing devices

Question 48

Other pointing devices such as _____ or game controllers.

Answer 48

Joysticks

Question 49

The _______ allows you to scan documents, pictures or graphics and view them on the computer.

Answer 49

scanner

Question 50

It converts image into dots that the computer can understand.

Answer 50

scanner

Question 51

______ are used to take electronic pictures of an object.

Answer 51

Digital cameras

Question 52

_______ are used to put sound into a computer. Today, commands can also be given to computer using your voice.

Answer 52

Microphones

Question 53

_______ shows the processed information on screen. It displays soft copy of the information.. When the device is turned off the information goes away.

Answer 53

Monitors

Question 54

________ produces a hard copy of the information.

Answer 54

Printers

Question 55

_______ are used to output sound.

Answer 55

Speakers

Question 56

These are the physical, tangible parts of the computer system.

Answer 56

Hardware

Question 57

These are the ones that you use to enter data to the computer.

Answer 57

Input devices

Question 58

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

Answer 58

Output devices

Question 59

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

Answer 59

Processing devices

Question 60

These are components which allow data to be stored within a computer system.

Answer 60

Storage devices

Question 61

on _______, the electronic components and most storage devices are part of the system unit.

Answer 61

desktop personal computers,

Question 62

On most notebook computers, including netbooks, the keyboard and pointing device often occupy the area on the top of the system unit, and the display attaches to the system unit by hinges.

Answer 62

Just read

Question 63

The difference is the display attaches to the system unit with a _________, which enables a user to rotate the display and fold it down over the keyboard to look like a slate Tablet PC.

Answer 63

swivel-type hinge

Question 64

The _______ interprets and carries out the basic instructions that operate a computer. _______ typically holds data waiting to be processed and instructions waiting to be executed.

Answer 64

processor . Memory

Question 65

_________ are circuit boards that provide connections and functions not built into the motherboard or expand on the capability of features integrated into the motherboard.

Answer 65

Adapter cards

Question 66

The motherboard, sometimes called a _______, is the main circuit board of the system unit.

Answer 66

system board

Question 67

most USB flash drives weigh less than _______

Answer 67

an ounce (30 g)

Question 68

four basic operations _______ is the process of obtaining a program instruction or data item from memory.

Answer 68

Fetching

Question 69

four basic operations ______ refers to the process of translating the instruction into signals the computer can execute.

Answer 69

Decoding

Question 70

four basic operations _______ is the process of carrying out the commands.

Answer 70

Execute

Question 71

four basic operations ______ in this context, means writing the result to memory (not to a storage medium).

Answer 71

Storing

Question 72

______is the leading manufacturer of Intel compatible processors, which have an internal design similar to Intel processors, perform the same functions, and can be as powerful, but often are less expensive.

Answer 72

AMD