CRST Study Guide || QUESTIONS & ANSWERS; 100%
ACCURATE SOLUTIONS; A+ GUARANTEED!!
What signals are generally criss-crossed in a null-modem cable
a. TXD and RXD
b. RXD and SXD
c. SXD and TXD
d. FXD and DXD correct answers TXD and RXD
What address follows 0FFFFFh in an advance architecture system operating in Real Mode?
a. 000000
b. 111111
c. 100000
d. 0FFFFA correct answers 100000h
When data is passed to the printer from the computer at 8 bits per clock pulse, what type of
interface standard is being used?
a. Series
b. Parallel (or Centronics)
c. Centronics and series
d. Parallel and series correct answers Parallel (or Centronics)
Which type of network only lets its clients transmit data when they have a turn?
a. Token Ring
b. Bus
c. Pier to Pier
d. Star correct answers Token Ring
How many inputs and outputs are possible with a differential amplifier?
a. Two outputs and One input
b. Two inputs and One output
c. Three inputs and 2 Outputs
d. Two inputs and 2 Outputs correct answers Two outputs and One input
What is the vertical frequency of a standard NTSC composite signal?
a. 60 Hz
b. 50 Hz
c. 20 Hz
d. 70 Hz correct answers 60
A non-PnP Network Interface Card (NIC) has 10/100 rating?
a. The cardterm-7 is capable of data transfer of 10 or 1000 mbits per second (mbps)
b. The card is capable of data transfer of 10 or 100 Mbits per second (Mbps)
c. The card is not capable of data transfer of 10 or 100 Mbits per second (Mbps)
d. The card is not capable of data transfer of 100 or 10 mbits per second (mbps) correct
answers b. The card is capable of data transfer of 10 or 100 Mbits per second (Mbps)
, The output of an 8-bit serial in - serial out shift register is connected back to its input.
Assume the initial content of the shift register is 11000011. After 4 clock pulses, the content
becomes?
a. 00011100
b. 00111100
c. 00001111
d. 01111000 correct answers 00111100
Operating under DOS, which function key will display the last entry typed on the command
line?
a. F4
b. F3
c. F2
d. F9 correct answers F3
Which of the following is a standard lighting control protocol?
a. DMX 512
b. DMX 215
c. Binary
d. USB correct answers DMX512
The audible audio frequency range is from ___ to ___
a. 10 Hz to 20kHz
b. 20 Hz to 20Hz
c. 20 Hz to 20kHz
d. 20 Hz to 30Hz correct answers 20 Hz to 20kHz
Which system can be classified as a STAR topology by mistake?
a. Star
b. Token Ring
c. Bus
d. Pier to Pier correct answers b. Token Ring
A phase locked loop might be used in ___?
a. Radio
b. iPod
c. A television tuner
d. Handheld correct answers c. A television tuner
If a single SCSI interface can support up to 7 SCSI devices, then how many SCSI peripheral
devices can be installed using 2 SCSI card?
a. 16
b. 18
c. 12
d. 10 correct answers 12
Which should be done if the CMOS contains a password you don't know?
a. Power off and turn back on
ACCURATE SOLUTIONS; A+ GUARANTEED!!
What signals are generally criss-crossed in a null-modem cable
a. TXD and RXD
b. RXD and SXD
c. SXD and TXD
d. FXD and DXD correct answers TXD and RXD
What address follows 0FFFFFh in an advance architecture system operating in Real Mode?
a. 000000
b. 111111
c. 100000
d. 0FFFFA correct answers 100000h
When data is passed to the printer from the computer at 8 bits per clock pulse, what type of
interface standard is being used?
a. Series
b. Parallel (or Centronics)
c. Centronics and series
d. Parallel and series correct answers Parallel (or Centronics)
Which type of network only lets its clients transmit data when they have a turn?
a. Token Ring
b. Bus
c. Pier to Pier
d. Star correct answers Token Ring
How many inputs and outputs are possible with a differential amplifier?
a. Two outputs and One input
b. Two inputs and One output
c. Three inputs and 2 Outputs
d. Two inputs and 2 Outputs correct answers Two outputs and One input
What is the vertical frequency of a standard NTSC composite signal?
a. 60 Hz
b. 50 Hz
c. 20 Hz
d. 70 Hz correct answers 60
A non-PnP Network Interface Card (NIC) has 10/100 rating?
a. The cardterm-7 is capable of data transfer of 10 or 1000 mbits per second (mbps)
b. The card is capable of data transfer of 10 or 100 Mbits per second (Mbps)
c. The card is not capable of data transfer of 10 or 100 Mbits per second (Mbps)
d. The card is not capable of data transfer of 100 or 10 mbits per second (mbps) correct
answers b. The card is capable of data transfer of 10 or 100 Mbits per second (Mbps)
, The output of an 8-bit serial in - serial out shift register is connected back to its input.
Assume the initial content of the shift register is 11000011. After 4 clock pulses, the content
becomes?
a. 00011100
b. 00111100
c. 00001111
d. 01111000 correct answers 00111100
Operating under DOS, which function key will display the last entry typed on the command
line?
a. F4
b. F3
c. F2
d. F9 correct answers F3
Which of the following is a standard lighting control protocol?
a. DMX 512
b. DMX 215
c. Binary
d. USB correct answers DMX512
The audible audio frequency range is from ___ to ___
a. 10 Hz to 20kHz
b. 20 Hz to 20Hz
c. 20 Hz to 20kHz
d. 20 Hz to 30Hz correct answers 20 Hz to 20kHz
Which system can be classified as a STAR topology by mistake?
a. Star
b. Token Ring
c. Bus
d. Pier to Pier correct answers b. Token Ring
A phase locked loop might be used in ___?
a. Radio
b. iPod
c. A television tuner
d. Handheld correct answers c. A television tuner
If a single SCSI interface can support up to 7 SCSI devices, then how many SCSI peripheral
devices can be installed using 2 SCSI card?
a. 16
b. 18
c. 12
d. 10 correct answers 12
Which should be done if the CMOS contains a password you don't know?
a. Power off and turn back on
