A+ Core Hardware practice questions
A+ Core Hardware practice questions
Answer :B
- RS-232 is a standard that applies to:
- serial ports
- parallel ports
- game ports
- networks
- digital frequencies
- Comm ports use: (select all that apply)
- 9 pin male connector
- 14 pin female connector
- 25 pin male connector
- edge connector
- parallel connector
- Before a modem transmits, it send a:
- RTS
- DTR
- DSR
- RQS
- TRX
- RTS stands for:
- ready to start
- ready to switch
- request to send
- request to scan
- ready to set
- In modem terminology, CD stands for:
- collect data
- call data
- cease deliver
- carrier detect
- comm detect
- UART is a type of serial chip. Its letters stand for:
- unidirectional access regarding transmission
- universal asynchronous receiver/transmitter
- upper advanced real transfer
- unable all restore t-bits
- use all rom types
- Select all true statements:
- com1 and com3 share the same IRQ
- com1 and com4 share the same IRQ
- com2 and com3 share the same IRQ
- com2 and com4 share the same IRQ
- com1 and com2 share the same IRQ
- In modems that support more than 300 baud, baud and bps do not mean the same thing.
- true
- false
- "bps" stands for bits per second. Baud is the number of discrete signals per second One discrete signal can encode more than one bit. Hence, a 9600 bps modem actually operates at 2400 baud. However, in common non-techie terminology, baud and bps are used synonymously, though that is not technically correct. These are all true statements.
- true
- false
- ________ is the term used to refer to the process of two modems establishing communications with each other.
- interacting
- handshaking
- connecting
- linking
- pinging
- ISDN stands for:
- internal select data nulls
- integrated services digital network
- interval set down next
- interior sector direct none
- inferior sector data net
Answer :B
- Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?
- defective modem
- defective computer
- software bug
- bad phone line
- virus
- You have a serial scanner connected to your computer configured to use com3. It is turned on. Your modem is using com1, and you can't dial out. What is the most likely problem?
- everything should work ok
- you have an i/o conflict
- you have a conflict with IRQ 4
- you have a loose connection
- you have a conflict with IRQ 3
- What is the i/o address for com1?
- 3e8
- 3bc
- 5f8
- 3f8
- 008
- What is the i/o address for com2?
- 2vb
- 2f8
- 8f8
- 330
- e8e
- What is the i/o address for com3?
- 3e8
- 345
- ff8
- 5e8
- be8
- What is the i/o address for com4?
- 4e7
- e8e
- be0
- cb8
- 2e8
- Before sending data, a modem sends a request to send signal, or RTS.
- true
- false
- ISDN uses _______________ technology.
- only digital
- digital and analog
- only analog
- neither digital nor analog
- mostly digital
- A COM port is a _______ port.
- parallel
- serial
- static
- multi
- scsi
- Modems use ________________ transmission.
- synchronous
- asynchronous
- timed interval
- ata
- bank
- CD-Roms typically hold ______ of data.
- 100 meg
- 500 meg
- 650 meg
- 1000 meg
- 350 meg
- The terms "red book", "yellow book", and "orange book" refer to:
- scsi
- ide
- floppy drive technology
- CD-Rom standards
- none of the above
- CD-Roms are read by _________.
- magnetic heads
- electronic sensors
- stepper motors
- laser diodes
- titanium servos
- Which of the following can cause CDs to be misread? Select all that apply.
- smudges
- finger prints
- scratches
- cracks
- slight melting
- CD-Rom drives typically have which of the following interfaces? Select all that apply.
- serial
- parallel
- ide
- scsi
- esdi
- CD-Rom drives have which connectors? Select all that apply.
- molex
- berg
- data cable
- audio cable
- arcnet
- In a computer with an eide adapter, where should you connect an ATA CD-Rom drive?
- on the floppy bus
- on the primary ide
- on the secondary ide
- on the scsi bus
- none of the above
- Your IDE CD-Rom drive is attached to the primary IDE adapter with our hard drive. How should its jumpers be set?
- as a master
- as a slave
- as neutral
- auto detect
- to 001
- What does MSCDEX.EXE do?
- configures hard drives
- it's a scsi driver
- bios setup
- It's a CD-Rom DOS driver
- nothing, I just made it up