Chapter 1: Introduction to the Personal Computer

snakesailboatSecurity

Feb 23, 2014 (3 years and 1 month ago)

702 views

IT
-
02 Safety

Online Study Questions


Foster

1
-
4

IT 1:
Chapter 1: Introduction to the Personal Computer

Online Curriculum Study Questions


Name __
Cole_Hurtado
________________________________________


CUR

QUESTION

ANSWER

1
.1

Explain IT industry certifications


1.

What two

Certification

programs
does

the IT Essentials relate to
?

PC hardware and software


2.

The
CompTIA
program give you the
option of passing
______________

Compulsory unit and one of :



Exam code
220
-
701

____



Exam code
220
-
702

____


1.2

&
1.3

Describe a computer system

Identify the names,

purposes, and characteristics of cases and power supplies


3.

Hardware

is the
______________


equipment such as the case, storage
drives, keyboards, monitors, cables,
speakers, and printers
?

Physical


4.

Power supply
Converts
____

power
from the wall socket into
____

(DC)
power



Alternating Current,


Direct Current


5.

Wire colours

and associated
voltages:
-


Red
=_
+5V
__
, Yellow
=_
+12V
__
,
Black
=_
0V
__,

Blue
=_
-
12V
___,

White
=


-
12V


6.

Molex connector

is a keyed

connector used to connect to a_____

Hard drive or an optical drive


7.

Berg connector

is a keyed
connector used to connect to a
_____


Floppy Drive


8.

These are the four basic
units of
electricity
:

V=_
voltage
, I=
current
_____,
P=_
power
___, R=_
resistance
___

S

-

Sweep the nozzle from side to side.


9.

Do not open a
Power Suppl
y
. They
can be dangerous even when turned
off as
_________

located inside of a
power supply can hold a charge for
extended periods of time
.

Electronic capacitors

1.4

Identify the names, pur
poses, and characteristics of internal components


10.

Which two form factors are
commonly used to build a new
computer?

AT and ATX


11.

The
motherboard

is the main _____
_____ board and contains the
__________ or electrical pathways,
found in a computer.

printed circuit,


buses


12.

The
____ ____

of motherboards
pertains to the size and shape of the
board
.

Form factor


13.

The
CPU

is installed into a
_____

or

_____

on the motherboard
.

Slot, socket


14.

There are two major
CPU

architectures related to instruction
sets
:

_____ a
nd
_____


RISC, CISC


IT
-
02 Safety

Online Study Questions


Foster

2
-
4


15.

MMX

is a set of
_________

built into
Intel processors
.


Multimedia Instructions


16.

A ___________
CPU

has

t
wo cores
inside a single CPU chip in which
both cores can process
information
at the same time
?

Dual Core CPU


17.

The way the different types of RAM
is packaged in
Memory Modules

is
described as DIP, SIMM, DIMM.
How many pins does each of the
following have?

__
168pins
___
SDRAM DIMMs

_
184pins
____
DDR DIMMs

_
240pins
____
DDR2 DIMMs


18.

L1 cache

is
_______
cache and is
integrated into the CPU
?

Internal


19.

L2 cache

is external cache and was
originally mounted on the
motherboard near the CPU. L2
cache is now _____ into the CPU

Integrated


20.

P
_____

C
_____
Interconnect (PCI)
is a 32
-
bit or 64
-
bit expansion slot.
Faster expansion slots designed to
work with the new range of video
cars are called
_____

and
______

Peripheral Component


21.

The
capacity of floppy disks

is
measured in

_____

and newer Hard
disks in
_____

Kilobytes(KB),Gigabytes(GB)


22.

CD
-
RW


CD
-
rewritable media that
can be
_____

_____

and
______

Recorded, erased, and re
-
recorded.


23.

The Connection interface

called
IDE

stands for I
____
D
____
Electronics, also called A
____

T
____

A
____

(ATA) connects with a
____

Pin keyed connector

Integrated Drive,

Advanced Technology
Attachments,40pin


24.

PATA



P
____
ATA refers to the
parallel version of the ATA drive
controller interface. The Ultra
-
ATA
version cable runs at 66/100/133
Bytes/second on a
____

pin ribbon
cable

Parallel,40pin


25.

SATA



S
____
ATA refers to the
serial version of the ATA drive
controller interface. A SATA interface
uses a
____
pin connector

Serial,7pin


26.

SCSI



Small Computer System
Interface is a drive controller
interface that can connect up to
___
drives. SCSI can connect both

internal and external drives. A

SCSI
interface uses a
__
-
pin,
__
-
pin, or
80
-
pin connector

15,
50,68,



27.

This

ribbon Data cable

that has up
to two 34
-
pin drive connectors

with a
twist
and one 34
-
pin connector for
the drive controller is used to
connect
the

_____

Floppy Disk Drive

1.5

Identify the names, purposes, and characteristics of ports and cables

IT
-
02 Safety

Online Study Questions


Foster

3
-
4


28.

How many
FireWire

devices can be
supported by a single FireWire port?

Up to 63 devices


29.

Which IEEE standard defines the
FireWire

technology
?

IEEE 1394


30.

A
network port

is
also known as an
RJ
-

___

port. The connection speeds
are
__ Mbps for
Standard Ethernet,
___ Mbps for

Fast Ethernet and
___
Mbps for Gigabit Ethernet. The
maximum length of network cable is
328 feet (
____

m)
?

RJ
-
45,10Mbps,100Mbps,1000Mbps.

100M


31.

Which important feature is offered by
the
USB

standard
?

power


32.

V
____

G

____

A
____

(VGA)


a
__
row
___
pin female connector and
provides analog output to a monitor

Video Graphics Array
,3
-
row, 15
-
pin


33.

Digital Visual Interface (DVI)


DVI
has a
___
-
pin female connector or a
___
-
pin female connector and
provides a compressed digital output
to a monitor

24
-
pin,29
-
pin

1.6

Identify the names, purposes, and characteristics of input devices


34.

Name three
input devices


Mouse and keyboard, scanner, and
Biometric Authentication Device


35.

What is a function of a KVM switch
?

The KVM switch can be used to
control more than one computer
using a single keyboard, monitor,
and mouse.

1.7

Identify the names,
purposes, and characteristics of output devices


36.

Name three output devices


Monitor, printer, and scanner


37.

LCD monitors

can use an Active
matrix.

This is sometimes called
t
____

f
____
transistor (TFT). TFT
allows
each

pixel to be controlled

Thin Film


38.

A
Pixel

is…

Picture elements are the tiny dots that
comprise a screen. Each consist
s

of
red, green, and blue.

1.8

Explain system resources and their purposes


39.

Newer computers have
____

IRQs,
which are numbered 0 to

____

16,15


40.

Today, most
IRQ numbers

are
assigned automatically with
_______

(PnP) operating systems and the
implementation of PCI slots, USB
ports, and FireWire ports

Plug and play


41.

System resources:
include which of
the following:…


a.

Interrupt Requests (IRQ)

b.

Input/Output (I/O) Port
Addre
sses

c.

Direct Memory Access (DMA)

d.

All of the above



42.

Input/output (I/O) port addresses

are used to communicate between
devices and

_________


Devices and software

IT
-
02 Safety

Online Study Questions


Foster

4
-
4


43.

DMA channels

are used by high
-
speed devices to communicate
directly with main memory. These
allow the device to bypass the
______

and directly store and
retrieve information from memory.
Channels are numbered 0 to

___






Channels,

Interaction with the CPU,

0 to 7