Deck 2: Business Information

Question 1

A single bit of information represents two states or values.

Answer 1

True

Question 2

When using analog communications,channel capacity is measure in hertz (Hz)where 1 Hz equals 1000 oscillations per second.

Answer 2

False

Question 3

Voice communication can only be done using an analog signal.

Answer 3

False

Question 4

Select all of the following which represent digital forms of information.

A)A watch with two hands
B)A mechanical odometer on a car
C)A watch that displays time as HH:MM
D)A gas gauge
E)A

Question 5

Services transmitting video information use a series of vector images to represent moving images.

Question 6

Which of the following is the binary representation of the decimal value 18?

A)10110
B)11000
C)10010
D)10110
E)10101

Question 7

Response time is extremely important when implementing email systems.

Question 8

System response time and system cost are closely related to each other.

Question 9

Which of the following is the binary representation of the decimal value 22?

A)10110
B)11000
C)10010
D)10110
E)10101

Question 10

The United States national version of IRA is referred to as the American Standard Code for Information Interchange (ASCII).

Question 11

When transmitting video information,compression ratios can range as high as 100:1 with little loss of perceived quality.

Question 12

A stereo compact disc typically requires the bandwidth for each channel to be

A)300 Hz
B)3,400 Hz
C)8,000 Hz
D)20,000 Hz
E)1,410,000 Hz

Question 13

When using data communications with 8-bit codes,the number of alphabetic symbols

A)must be exactly 256.
B)must be greater than 8.
C)can be greater than 1024 bytes.
D)must be less than 256.
E)determines the number of octets.

Question 14

Today,all networked information is sent using digital formats.

Question 15

Standard voice telephone lines,such as those found in residences,limit bandwidth to

A)300 Hz
B)3,400 Hz
C)8,000 Hz
D)20,000 Hz
E)1,410,000 Hz

Question 16

Which of the following represents the most basic unit of digital information?

A)Byte
B)Nibble
C)Pixel
D)Bit
E)Octet

Question 17

PBX and Centrex systems provide similar functionality from the users point-of-view.

Question 18

Which of the following is the binary representation of the decimal value 24?

A)10110
B)11000
C)10010
D)10110
E)10101

Question 19

Interlacing is a method of reducing the bandwidth requirements for video transmissions.

Question 20

The terms byte and octet describe the same amount of information.

Question 21

The time interval between when a user presses a key and when the result of that action arrives at his or her workstation is called the

A)response time.
B)turn-around time.
C)think time.
D)delay time.
E)transmission time.

Question 22

List the four types of information that are communicated over networks.

Question 23

Which of the following is the binary representation of the decimal value 21?

A)10110
B)11000
C)10010
D)10110
E)10101