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From Flashcardlet > CPT 209 Test 1 > Flashcards

CPT 209 Test 1 Flashcards

1
Q

the amount of information that can be sent or received through a computer or network connection in one second

A

bandwidth

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2
Q

the process of data bypassing the CPU and accessing RAM directly, designed as channels.

A

DMA or direct memory access

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3
Q

a circuit board that plugs into another board to provide extra functionality

A

daughterboard, sometimes called riser cards

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4
Q

provide standard methods for saving, retrieving, changing, printing, and transmitting information.

A

operating system

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5
Q

A flexible interface usable for hard and optical drives, scanners, and other devices

A

SCSI or small computer system interface

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6
Q

numbering also referred to as base 16. 0-9 and A-F. 3A would = 58 or 3 * 16 + 10 (for the A)

A

hexadecimal

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7
Q

a single lane in the computer where information transfers one bit at a time

A

serial transfer

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8
Q

each address equals one byte of RAM

A

memory address

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9
Q

“software on a chip” it’s job is to control the device to which the chip is connected

A

firmware

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10
Q

a type of connection for IDE hard drives and optical drives utilizing a 16-bit bus width

A

PATA/EIDE

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11
Q

the spatial frequency of a wave

A

wave number

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12
Q

layout and size of a motherboard

A

form factor

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13
Q

PS/2, parallel, serial, RJ45 ethernet are examples of

A

integrated ports

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14
Q

programs used to create, store, modify, and view info you create

A

application software

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15
Q

occurs when 2 objects of different voltages come into contact with each other

A

ESD electrostatic discharge

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16
Q

base 10 system used for everyday math

A

decimal

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17
Q

measures the frequency or radio and electrical signals in cycles per second

A

hertz

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18
Q

software

A

provides instructions that tell the hardware what to do

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19
Q

represents the logical foundation of the computer.

A

motherboard

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20
Q

Serial advanced technology attachment

A

SATA

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21
Q

set of wires used to transmit data between a device and the system

A

I/O port address

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22
Q

sometimes used to make expansion slots usable that would otherwise not be available because of clearances inside the case

A

riser cards

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23
Q

arrangements suitable for a program to store data that you created

A

file format

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24
Q

each host adapter controls a single drive, such as a hard disk or DVD drive

A

SATA host adaptor

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25
Q

numbering system involving only 1’s and 0’s

A

binary

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26
Q

use multiple lanes for data transfers, most use 8 bits

A

parallel transfers

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27
Q

physical parts of the computer

A

hardware

28
Q

a set of wires that run btwn the CPU and devices in the computer; they interrupt the CPU so that they can transmit data

A

IRQ interrupt requests

29
Q

provide support for additional I/O devices and high speed video/graphics cards

A

expansion slots

30
Q

narrow ones enable daisy chaining of 7 devices and wide 15.

A

SCSI

31
Q

What causes ESD

A

the human body constantly gathers static electricity and the transfer of this could easily damage a computer

32
Q

how to prevent ESD

A

Use an antistatic strap
touch the chasis of the computer
antistatic mat and bags

33
Q

how to convert from decimal to binary and back

A

write out 128 64 32 16 8 4 2 1

either add the numbers to get decimal or subtract to get binary

34
Q

10001000 is what in decimal

A

136

35
Q

200 in decimal would be what in binary

A

11001000

36
Q

2Ch would be what in decimal

A

44

37
Q

100 in hexadecimal

A

64 (6 * 16 and 4)

38
Q

what represents bits and bytes

A

b and B

39
Q

essential ports of a computer

A

parallel, PS/2 mouse and keyboard, USB, RJ45 ethernet, and audio

40
Q

how do hardware and software work together

A

software tells the hardware what to do

41
Q

reasons a desktop computer may fai

A 
overheating
loose add cards 
inability to start the computer
drive failures
front panel failures
battery failure
BIOS chip failure
42
Q

most common operating systems in use today

A

various versions of Windows, ex, 7, Vista, XP

43
Q

what is recommended before opening a computer case

A

Check your system manual for warranty

Unplug the computer

44
Q

how many signals a system bus carries and what they are

A

4: data, power, control, access

45
Q

memory slots different styles

A

older systems use SDRAM 3 section memory slots w 168 pin memory modules
newer use 2 section DDR2 and 3 240 pin slots but are not interchangeable

46
Q

type of expansion slots available

A

PCI, AGP, PCIe, AMR/CNR

47
Q

different processors and their architectures

A

AMD and Intel, x86 (32 and 64 bit) and x64 ( an extension of x86 that enables larger files)

48
Q

what should be included in a tool kit

A 
philips and straight blade screwdrivers
torx drivers
hex drivers
3 claw parts removal tool
hemostat clamps
needle nose pliers
eye brow tweezers
penlight
magnifier
jeweler's screwdriver set
49
Q

six step troubleshooting process

A

identify the problem
establish a theory of probable cause
test the theory to determine cause
establish a plan of action to solve & implement solution
verify full functionality;prevent if possible
document findings and outcomes

50
Q

bits in a byte

A

8

51
Q

bytes in megabit

A

131,072 bytes

52
Q

bytes in a kilobit

A

128 bytes

53
Q

bytes in a gigabit

A

134,217,728 bytes

54
Q

which system locations use the different numbering systems

A

decimal-storage sizes
binary-data storage
hexadecimal-laddresses in data storage

55
Q

kilohertz, MHz, GHz,Terahertz

A

1000, 1,000,000, 1 billion, 1 trillion

56
Q

different utility programs on a system

A

CHKDSK, disk management, defrag

57
Q

2 major types of commands used in an OS

A

internal and external

58
Q

3 major parts of a computing environment

A

hardware, software, firmware

59
Q

what resource conflicts can affect

A

can cause the devise to fail

60
Q

serial, parallel, PS/2 mouse and keyboard ports are sometimes referred to as

A

legacy ports

61
Q

can be used for many types of add on cards, including network, video, audio, I/O and storage host adapters

A

PCI slots

62
Q

was introduced as a dedicated slot for high speed video in 1996

A

AGP

63
Q

pretty much replaced AGP and PCI slots

A

PCIe slots

64
Q

each host adapter uses a 40 pin interface and can control up to two devices

A

PATA/IDE

65
Q

How do notebook computers vary from desktops

A

less expensive models do not support swappable drives, no floppy drives, have integrated pointing devices built into their keyboards

66
Q

unique failures of laptops

A

PC card not pushed in all the way, expelling without first using Safely Remove Hardware,
If network dongles are damaged, the card is useless

67
Q

different types of software

A

OS, application programs, utility programs

From Flashcardlet (64 decks)

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