Computers Flashcards
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
Bios(ROM), Operating System, Application
What is storage capacity of a 3 1/2” double size High Density floppy disk?
1.44MB
Most popular type of IC’s in use today
CMOS and TTL
Single high speed USB cable can be up to ____ meters in length
A) 5
B) 10
C) 2
D) 12
5
Which of following does not require interrupted lines
Processor
On a flat data cable, a red or blue stripe means?
A) Pin 1
B) Ground
C) Null Connections
D) SCST Cable
Pin 1
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
Logical Drive D
What system resources are normally required for a video capture card?
and IRQ channel, DMA channel, I/O address
Which device requires a DMA Channel
Sound Card
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
IO address
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
io.sys; msdos.sys; command.com
Operating under DOS which function key will display the last entry typed on the command line?
F3
During what process do you tell the PC the amount of conventional or extended memory being used
setup
What address follows 0FFFFFh in an advanced architecture system operating in real mode
100000h
What system component can cause problems to appear in all the systems other components?
Power Supply
The device specified for floppy disk drives are determined by the ____?
position of the signal cable of the drives connector
Group of parallels lines in a computer used to transfer data from one place to another is called the ____?
Data BUS
In PC terms what is 1KB
1024 bytes
An audible beep after power up a PC means?
Successful POST
During what process do you tell the PC what kind of drives are being used?
A) Setup
B) POST
C) PREP
D) Bootup
Setup
What is the transfer rate of a non-PNP network interface card (NIC) that has a 10/100 rating
transfer 10 10 or 100MBits per sec (Mbps)
Where would you look on a windows PC for IRQ conflict
Device manager
Generally Speaking what function does cache perform
Stores recently accessed data on extremely fast memory chip
Parity error msg are a sign of ___?
faulty RAM
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
Data line is defective
Single SCSI interface can support up to 7 SCSI drives, how many SCSI peripheral devices can be installed using 2 SCSI card?
12
2 cards 6 slots (7 slots-1 adapter) =12
Host PC is set to 9600 baud and remote terminal is set to 4800 baud. End result will be _____?
no communication
The “file=30” line in the config.sys program means _____?
up to 30 files can be open at one time
Forgot WIN98 screen saver password. What file would you delete to clear the password?
username.pwl
Name one reason why other network users can not see any files or printers on your PC
no file or print sharing capabilities have been enabled
Pressing the F5 key when the “starting MS_DOS” message appears:
skips the execution of config.sys and autoexec.sys during the DOS boot process
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
by the switches on the drive itself
the myfile.exe file is located in the c:\test directory to execute the file from anywhere____?
add c:\test to path statement
To shift between application in Windows
ALT+TAB
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 file in RAM
termination device on a SCSI chain. What device must be terminated
Each end of the chain
The POST is run??
Every time there is a cold boot
Modems use ___ transmission.
A) Asynchronous
B) Synchronous
C) Timed interval
D) Ata
Asynchronous
Function key will allow you to selectively bypass the config.sys file entries when pressed during the “Starting DOS” portion of the boot up
F8
How does DOT pitch effect how sharp the image is?
smaller the dot pitch sharper the image
type of error is created if a location within a RAM IC fails
hard memory error
Skip BIOS on startup?
ESC
Purpose of the registry in a windows based system
stores system and application configuration information
which of following is true regarding the boot sector
resides on each disk partition
BIOS stores info about all of the following except
A) modem
B) COM ports
C) LPT Ports
D) CPU
modem
need to make a hard drive bootable but dont want to lose data on drive. What command can you use to accomplish
sys
command is used to partition a hard drive
fdisk
order for a hard drive to be bootable it must have what partition
A) active
B) Large
C) Passive
D) Symmetric
active
max recommended cable length for a complete SCSI chain is _____?
15 ft
forgotten your network password. What file should you use to clear it?
either username.ini or delete username.pwl from window directory
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
allows DOS to use extended memory
flash BIOS is used for ______?
upgrading the BIOS w/out additional hardware
purpose of DMA channel
allows certain hardware subsystems to access system memory independent of the microprocessor
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
file on hard drive that is Temporary Storage Location
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
Drive D
after configuration the hard disk, where is the subsequent DOS partition located
where the system files are stored
unless you specify differently MS-DOS is installed in
conventional memory
expanded memory techniques____?
allow microprocessor to directly access the memory about the 1MB limit
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
section of hard drive space that works like RAM
device most likely to us IRQ 15
secondary hard disk controller
action is needed if the system responds with a “ drive mismatch error” after installing a large hard disk unit
run setup and reset the CMOS parameters to fit the new drive unit
Define HMA high memory area
first 64K of extended memory
cache memory is used to ____?
increase speed of data access
how many devices can theoretically be connected to a USB
127
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
IRQ channel; DMA channel; I/O address
device specifiers for floppy disk drives are determined by the
position on the signal cable of the drives connector
which of the following best describes single beep heard after power on
successful POST
(Power On Successful Test)
installing 2 external SCSI drives into a one channel system the _____
second drive connects to the first
in Windows 95, the command win/n will?
start windows in safe mode
file on floppy has a extension of pdf which software program can be used to view
Adobe Acrobat
The IRQ 1 channel is
used by systems keyboard receiver and cannot be used for other devices
POST routine which counts system board RAM first is stored in
ROM BIOS
DMA stands for
Direct Memory Access
Should be done if CMOS contains a password that is unknown?
install CMOS shorting jumper to erase the CMOS data then re-enter config info
which file must be present on the startup disk to provide real-mode access to CD Rom drive
MSCDEX.exe
without use of 2nd party software, how would limit access to desktop app in windows 95
install and configure policies
First 640K of memory in PC called
Conventional
which is not consideration when selecting hard disk drive for specific application?
A) number of heads
B) Capacity
C) seek time
D) access time
number of heads
it is possible to plug in ISA card into which slots
EISA and ISA
Data is passed to the printer from the PC @ 8 bits per clock pulse what type of interface standard is being used?
parellel or centroniics
main reason for setting a file with a hidden attribute is ??
prevent accidental deletion
Lost clusters, unlinked cluster chains, or lost chains can be found and correct by using either
scandisk or chkdsk
which of the following is not a resident command
edit
signals are generally crossed in a null-modem cable
TXD RXD
what is the boot sequence
BIOS; POST; Lo Sys; MSDOS.sys; Config.sys; Command.sys; Autoexec.bat
What is pif
Program information file, provides windows the info needed to run DOS program
What is the I/O address for COM1
3F8
An Atapi interface refers to which type of device
mass storage unit
What type of error message is produced when no valid MBR is found in a system
non-system error
Win95 was working fine yesterday, today you got a “boot record not found” message. First thing to do
Run fdisk using the /mbr switch
area of system memory between 00000h and 9FFFFh is referred to as
conventional memory
Which of the following commands will compress the files on hard drive
dblspace/compress:on
Why cant you locate DIR, CD and CLS commands in the DOS directory?
They are internal DOS Commands
A Client/ Server LAN
employs a dedicated station as a server
What device normally uses IRQ 7
Laser printer
maximum cable length for a slow SCSI-2 chain
10 ft
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
I/O Address
POST routine which counts system board RAM first is stored in ?
A) ROM BIOS
B) CMOS
C) 5359 POST controller
D) Microporcessor
ROM BIOS
Dynamic RAM stores data in _______?
A) Capacitors
B) Transistors
C) Flip Flops
D) Shift registers
Capacitors
True or False IRQ’s are similar to serial and parallel ports.
A) 0
B) 1
0
A memory manager program is loaded from ?
A) config.sys
B) BIOS
C) autoexec.bat
D) CMOS
config.sys
A SCSI is terminated with a _______?
A) Resistor
B) Capacitor
C) Inductor
D) Filter
Resistor
An 8-bit sound card can produce how many tones?
A) 256
B) 8
C) 64
D) 64K
256
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
relocate data into sequential sectors
POST program can be found in?
BIOS Chip
IRQ 4 is normally assigned to?
A) COM1
B) LPT1
C) LPT2
D) COM2
COM1
In a traditional PC setting, IRQ 7 is generally assigned to?
A) LPT1
B) LPT2
C) COM1
D) COM2
LPT1
USB device can be located a maximum distance of _____ feet from the host
16 ft
COM2 and COM 4 serial ports are normally assigned to??
A) IRQ 3
B) IRQ 1
C) IRQ 2
D) IRQ 4
IRQ3
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
paper pickup area
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
Clean, condition, write, develop, transfer, fuse
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
dots are .28mm apart
What are the two functions of the two corona wires in a laser printer?
Transfer the toner from the drum to the paper. They condition the drum to be written on
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
POST, initialization, bootup
What command you use to clear a password on Win 98?
PWD
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
automatically
