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CRST > Computers > Flashcards

Computers Flashcards

1
Q

Normal hierarchy of software is?
A) BIOS(ROM), operating system, application
B) Operating system, application, BIOS(ROM)
C) Operating system, BIOS(ROM) application
D) Application, operating system, RAM

A

Bios(ROM), Operating System, Application

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2
Q

What is storage capacity of a 3 1/2” double size High Density floppy disk?

A

1.44MB

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3
Q

Most popular type of IC’s in use today

A

CMOS and TTL

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4
Q

Single high speed USB cable can be up to ____ meters in length
A) 5
B) 10
C) 2
D) 12

A

5

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5
Q

Which of following does not require interrupted lines

A

Processor

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6
Q

On a flat data cable, a red or blue stripe means?
A) Pin 1
B) Ground
C) Null Connections
D) SCST Cable

A

Pin 1

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7
Q

After configuring the hard disk, where is the subsequent DOS partition located?
A) where the files are stored
B) Logical Drive D
C) The first partition in drive C
D) Physical drive D

A

Logical Drive D

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8
Q

What system resources are normally required for a video capture card?

A

and IRQ channel, DMA channel, I/O address

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9
Q

Which device requires a DMA Channel

A

Sound Card

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10
Q

Which of the following can cause conflicts when you install a add on cards in a PC?
A) IO addresses
B) DMA Channel
C) ROM addresses
D) all listed answers are correct

A

IO address

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11
Q

An absolute minimum and emergency boot disk should contain?
A) Io sys; msdos.sys; and command.com
B) Io sys; cofig.sys; and autoexec.bat
C) Io sys; msdos.sys; and autoexec.bat
D) msdos.sys; config.sys and autoexec.bat

A

io.sys; msdos.sys; command.com

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12
Q

Operating under DOS which function key will display the last entry typed on the command line?

A

F3

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13
Q

During what process do you tell the PC the amount of conventional or extended memory being used

A

setup

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14
Q

What address follows 0FFFFFh in an advanced architecture system operating in real mode

A

100000h

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15
Q

What system component can cause problems to appear in all the systems other components?

A

Power Supply

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16
Q

The device specified for floppy disk drives are determined by the ____?

A

position of the signal cable of the drives connector

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17
Q

Group of parallels lines in a computer used to transfer data from one place to another is called the ____?

A

Data BUS

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18
Q

In PC terms what is 1KB

A

1024 bytes

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19
Q

An audible beep after power up a PC means?

A

Successful POST

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20
Q

During what process do you tell the PC what kind of drives are being used?
A) Setup
B) POST
C) PREP
D) Bootup

A

Setup

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21
Q

What is the transfer rate of a non-PNP network interface card (NIC) that has a 10/100 rating

A

transfer 10 10 or 100MBits per sec (Mbps)

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22
Q

Where would you look on a windows PC for IRQ conflict

A

Device manager

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23
Q

Generally Speaking what function does cache perform

A

Stores recently accessed data on extremely fast memory chip

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24
Q

Parity error msg are a sign of ___?

A

faulty RAM

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25
Q

53

If no CD (carrier detect) signal is detected with a known good modem, What condition indicates?
A) data line is defective
B) data communication equipment (DCE) is defect or data is defect

A

Data line is defective

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26
Q

Single SCSI interface can support up to 7 SCSI drives, how many SCSI peripheral devices can be installed using 2 SCSI card?

A

12

2 cards 6 slots (7 slots-1 adapter) =12

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27
Q

Host PC is set to 9600 baud and remote terminal is set to 4800 baud. End result will be _____?

A

no communication

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28
Q

The “file=30” line in the config.sys program means _____?

A

up to 30 files can be open at one time

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29
Q

Forgot WIN98 screen saver password. What file would you delete to clear the password?

A

username.pwl

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30
Q

Name one reason why other network users can not see any files or printers on your PC

A

no file or print sharing capabilities have been enabled

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31
Q

Pressing the F5 key when the “starting MS_DOS” message appears:

A

skips the execution of config.sys and autoexec.sys during the DOS boot process

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32
Q

installing an internal SCSI hard drive, the address is typically set?
A) by the switches on the drive itself
B) in the CMOS setup screen
C) by the drive’s position along the interface card
D) by jumpers on the controller card

A

by the switches on the drive itself

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33
Q

the myfile.exe file is located in the c:\test directory to execute the file from anywhere____?

A

add c:\test to path statement

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34
Q

To shift between application in Windows

A

ALT+TAB

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35
Q

Which of the following is least likely to be affected by a virus?
A) BIOS in ROM
B) Hard Drive
C) Floppy Drive
D) a file in RAM

A

A file in RAM

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36
Q

termination device on a SCSI chain. What device must be terminated

A

Each end of the chain

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37
Q

The POST is run??

A

Every time there is a cold boot

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38
Q

Modems use ___ transmission.
A) Asynchronous
B) Synchronous
C) Timed interval
D) Ata

A

Asynchronous

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39
Q

Function key will allow you to selectively bypass the config.sys file entries when pressed during the “Starting DOS” portion of the boot up

A

F8

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40
Q

How does DOT pitch effect how sharp the image is?

A

smaller the dot pitch sharper the image

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41
Q

type of error is created if a location within a RAM IC fails

A

hard memory error

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42
Q

Skip BIOS on startup?

A

ESC

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43
Q

Purpose of the registry in a windows based system

A

stores system and application configuration information

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44
Q

which of following is true regarding the boot sector

A

resides on each disk partition

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45
Q

BIOS stores info about all of the following except
A) modem
B) COM ports
C) LPT Ports
D) CPU

A

modem

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46
Q

need to make a hard drive bootable but dont want to lose data on drive. What command can you use to accomplish

A

sys

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47
Q

command is used to partition a hard drive

A

fdisk

48
Q

order for a hard drive to be bootable it must have what partition
A) active
B) Large
C) Passive
D) Symmetric

A

active

49
Q

max recommended cable length for a complete SCSI chain is _____?

A

15 ft

50
Q

forgotten your network password. What file should you use to clear it?

A

either username.ini or delete username.pwl from window directory

51
Q

Purpose of HIMEM.sys?
A)allows DOS to use extended memory
B) contains upper memory blocks for use by DOS
C) loads DOS into upper memory
D) allows 386, 486, & Pentium to operate programs designed for older processors

A

allows DOS to use extended memory

52
Q

flash BIOS is used for ______?

A

upgrading the BIOS w/out additional hardware

53
Q

purpose of DMA channel

A

allows certain hardware subsystems to access system memory independent of the microprocessor

54
Q

example of TSR is_____?
A) memory resident utility
B) file on a hard drive that is used as a temporary storage location
C) temperature sensitive device used it he power supplies of laptop computers
D) Hand shaking between two modems

A

file on hard drive that is Temporary Storage Location

55
Q

system contains 1 master and 1 slave hard drive, each drive has been partitioned into 2 equal size drives, logical assignment for the primary partition of the slave drive is
A) drive C
B) drive D
C) drive E
D) drive F

A

Drive D

56
Q

after configuration the hard disk, where is the subsequent DOS partition located

A

where the system files are stored

57
Q

unless you specify differently MS-DOS is installed in

A

conventional memory

58
Q

expanded memory techniques____?

A

allow microprocessor to directly access the memory about the 1MB limit

59
Q

meant by the term virtual memory?
A) section of hard drive space that works like RAM
B) Section of RAM that works like Hard Drive Space
C) area of programmable RAM that retains programming after power is turned off
D) Section of floppy drive that works like RAM

A

section of hard drive space that works like RAM

60
Q

device most likely to us IRQ 15

A

secondary hard disk controller

61
Q

action is needed if the system responds with a “ drive mismatch error” after installing a large hard disk unit

A

run setup and reset the CMOS parameters to fit the new drive unit

62
Q

Define HMA high memory area

A

first 64K of extended memory

63
Q

cache memory is used to ____?

A

increase speed of data access

64
Q

how many devices can theoretically be connected to a USB

A

127

65
Q

system resources are normally required for a video capture card
A) IRQ channel; DMA channel; I/O address
B) IRQ channel; DMA channel
C) IRQ channel; and an IDE address
D) video buffer address IRQ channel; I/O address

A

IRQ channel; DMA channel; I/O address

66
Q

device specifiers for floppy disk drives are determined by the

A

position on the signal cable of the drives connector

67
Q

which of the following best describes single beep heard after power on

A

successful POST
(Power On Successful Test)

68
Q

installing 2 external SCSI drives into a one channel system the _____

A

second drive connects to the first

69
Q

in Windows 95, the command win/n will?

A

start windows in safe mode

70
Q

file on floppy has a extension of pdf which software program can be used to view

A

Adobe Acrobat

71
Q

The IRQ 1 channel is

A

used by systems keyboard receiver and cannot be used for other devices

72
Q

POST routine which counts system board RAM first is stored in

A

ROM BIOS

73
Q

DMA stands for

A

Direct Memory Access

74
Q

Should be done if CMOS contains a password that is unknown?

A

install CMOS shorting jumper to erase the CMOS data then re-enter config info

75
Q

which file must be present on the startup disk to provide real-mode access to CD Rom drive

A

MSCDEX.exe

76
Q

without use of 2nd party software, how would limit access to desktop app in windows 95

A

install and configure policies

77
Q

First 640K of memory in PC called

A

Conventional

78
Q

which is not consideration when selecting hard disk drive for specific application?
A) number of heads
B) Capacity
C) seek time
D) access time

A

number of heads

79
Q

it is possible to plug in ISA card into which slots

A

EISA and ISA

80
Q

Data is passed to the printer from the PC @ 8 bits per clock pulse what type of interface standard is being used?

A

parellel or centroniics

81
Q

main reason for setting a file with a hidden attribute is ??

A

prevent accidental deletion

82
Q

Lost clusters, unlinked cluster chains, or lost chains can be found and correct by using either

A

scandisk or chkdsk

83
Q

which of the following is not a resident command

A

edit

84
Q

signals are generally crossed in a null-modem cable

A

TXD RXD

85
Q

what is the boot sequence

A

BIOS; POST; Lo Sys; MSDOS.sys; Config.sys; Command.sys; Autoexec.bat

86
Q

What is pif

A

Program information file, provides windows the info needed to run DOS program

87
Q

What is the I/O address for COM1

A

3F8

88
Q

An Atapi interface refers to which type of device

A

mass storage unit

89
Q

What type of error message is produced when no valid MBR is found in a system

A

non-system error

90
Q

Win95 was working fine yesterday, today you got a “boot record not found” message. First thing to do

A

Run fdisk using the /mbr switch

91
Q

area of system memory between 00000h and 9FFFFh is referred to as

A

conventional memory

92
Q

Which of the following commands will compress the files on hard drive

A

dblspace/compress:on

93
Q

Why cant you locate DIR, CD and CLS commands in the DOS directory?

A

They are internal DOS Commands

94
Q

A Client/ Server LAN

A

employs a dedicated station as a server

95
Q

What device normally uses IRQ 7

A

Laser printer

96
Q

maximum cable length for a slow SCSI-2 chain

A

10 ft

97
Q

Numbers assigned to hardware devices that software uses to send command to those devices are called?
A) I/O Address
B) DMA Channels
C) IRQ
D) Memory Address

A

I/O Address

98
Q

POST routine which counts system board RAM first is stored in ?
A) ROM BIOS
B) CMOS
C) 5359 POST controller
D) Microporcessor

A

ROM BIOS

99
Q

Dynamic RAM stores data in _______?
A) Capacitors
B) Transistors
C) Flip Flops
D) Shift registers

A

Capacitors

100
Q

True or False IRQ’s are similar to serial and parallel ports.
A) 0
B) 1

A

0

101
Q

A memory manager program is loaded from ?
A) config.sys
B) BIOS
C) autoexec.bat
D) CMOS

A

config.sys

102
Q

A SCSI is terminated with a _______?
A) Resistor
B) Capacitor
C) Inductor
D) Filter

A

Resistor

103
Q

An 8-bit sound card can produce how many tones?
A) 256
B) 8
C) 64
D) 64K

A

256

104
Q

Running Scandisk does all of the following except?
A) relocate data into sequential sectors
B) check FAT
C) locate cross referenced sectors
D) revies filaments

A

relocate data into sequential sectors

105
Q

POST program can be found in?

A

BIOS Chip

106
Q

IRQ 4 is normally assigned to?
A) COM1
B) LPT1
C) LPT2
D) COM2

A

COM1

107
Q

In a traditional PC setting, IRQ 7 is generally assigned to?
A) LPT1
B) LPT2
C) COM1
D) COM2

A

LPT1

108
Q

USB device can be located a maximum distance of _____ feet from the host

A

16 ft

109
Q

COM2 and COM 4 serial ports are normally assigned to??
A) IRQ 3
B) IRQ 1
C) IRQ 2
D) IRQ 4

A

IRQ3

110
Q

Paper jams are most likely to occur in which laser printer area?
A) paper pickup area
B) transfer area
C) fusing area
D) registration area

A

paper pickup area

111
Q

The flow of operation in a laser printer can be summarized as?
A) Clean, condition, write, develop, transfer, fuse
B) Condition, clean, transfer, fuse, write, develop
C) Condition, transfer, fuse, clean, write, develop
D) Clean, condition, transfer, fuse, develop, write

A

Clean, condition, write, develop, transfer, fuse

112
Q

What does .28-dot pitch mean
A) dots are .28mm apart
B) dots are .28cm apart
C) dots are .28 inches wide
D) dots are .28nm apart

A

dots are .28mm apart

113
Q

What are the two functions of the two corona wires in a laser printer?

A

Transfer the toner from the drum to the paper. They condition the drum to be written on

114
Q

Which of the following constitutes a valid bootup sequence?
A) POST, initialization, bootup
B) Initialization, POST, bootup
C) initialization, bootup, POST
D) bootup, POST, initialization

A

POST, initialization, bootup

115
Q

What command you use to clear a password on Win 98?

A

PWD

116
Q

If your SCSI subsystem is SCAM compliant, SCSI ID’s are assigned how?
A) automatically
B) rotary dial switch
C) by placing jumpers
D) setting dip switches

A

automatically

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