Title: Allows musical instruments to communicate with a compute
1CIS 1033 Unit Two
2An ergonomic keyboard helps to prevent
- A. wrist injuries
- B. input errors
- C. cord clutter
- D. system errors
3Which of the following pointing devices is
located on the keyboard?
- A. Mouse
- B. Trackball
- C. Pointing stick
- D. Electronic pen
4An example of a POS terminal is
- A kiosk
- A checkout line at HEB
- MICR
- Optical scanner
5Optical character recognition or OCR
- Allows musical instruments to communicate with a
computer - Prints magnetic ink on the bottom of checks
- Converts scanned documents into word processing
documents - Writes characters to CD/DVD
6The dots that compose the image of a digital
photograph are called
- A. dot matrix.
- B. resolution points.
- C. pixels.
- D. digital points
7All of the following components, except a
________ , are required for every data
communications system.
- A. sending device.
- B. receiving device.
- C. communications link.
- D. modem.
8Which type of computer screen is the most
difficult to view from an angle?
- A. Cathode ray tube
- B. Active matrix
- C. Passive matrix
- D. Gas plasma
9Which type of flat-panel computer screen provides
the highest-quality image?
- A. Cathode ray tube
- B. Active matrix
- C. Passive matrix
- D. Gas plasma
10Which of the following is a nonimpact printer?
- A. Line printer
- B. Ink-jet printer
- C. Dot-matrix printer
- D. Active matrix printer
11Which type of printer would be best for printing
on carbon forms?
- Laser jet
- Ink Jet
- Non-impact printer
- Dot matrix
12Which of the following is a standard for
connecting electronic musical instruments and
computers?
- A. COM
- B. MICR
- C. MIDI
- D. CIM
13Disk mirroring is a technology that
- increases the storage capacity of a disk.
- improves speed by allowing simultaneous
reads/writes - improves reliability by building in fault
tolerance. - D. prevents head crashes by placing a protective
stripe over the platter
14All of the following are true about batch
processing except
- Generally runs after hours
- Are rarely interactive
- Run in the background
- Are faster than online jobs
15A collection of similarly positioned tracks on
multiple platters of a disk pack is called a
- A. cluster.
- B. sector.
- C. cylinder.
- D. track.
16What is the correct sequence of
smallest-to-largest unit of storage space?
- A. cluster ? sector ? cylinder ? track
- B. sector ? cluster ? cylinder ? track
- C. sector ? cylinder ? track ? cluster
- D. sector ? cluster ? track ? cylinder
17Which of the following is a way of minimizing the
need to perform physical reads on a disk?
- A. Disk caching
- B. Data striping
- C. Zone recording
- D. Disk mirroring
18Which of the following is an advantage of DVD
over CD technology?
- A. Storage capacity
- B. Access speed
- C. Reliability
- D. CD-R
19The file organization that is appropriate for
magnetic tape storage media is
- A. sequential.
- B. random.
- C. indexed.
- D. keyed.
20The file organization that is appropriate for a
web based database such as Amazon
- A. sequential.
- B. random.
- C. indexed.
- D. keyed.
21Which sentence best describes the actions of the
access arms and read/write heads on a standard
disk drive?
- A. Access arms move independently of each other,
and all read/write heads read at the same time. - Access arms move independently of each other, and
one read/write head reads at a time. - Access arms move together as a unit, and all
read/write heads read at the same time. - D. Access arms move together as a unit, and one
read/write head reads at a time.
22Direct access files are commonly used in ________
systems, which operate in real time and provide
quick responses to user requests.
- A. batch
- B. direct
- C. master
- D. online
23The earliest data communications systems utilized
- A. the Internet.
- B. centralized data processing.
- C. the TCP/IP protocol.
- D. distributed data processing.
24A communications signal in the form of a
continuous wave is
- A. digital.
- B. modulation.
- C. analog.
- D. amplitude.
25The device that converts signals from analog to
digital and vice versa is called a
- A. carrier wave.
- B. analog generator.
- C. digimon.
- D. modem.
26A modems rating of 56K refers to its
- A. memory size.
- B. transmission speed.
- C. frequency modulation.
- D. amplitude requirements.
27With digital subscriber line
- a dedicated digital line is installed to
facilitate speedy transmission. - transmission speed is affected by the number of
cable modem users. - use of the telephone is curtailed while the user
is online. - D. the computer is always connected to a live
communications line.
28Conversation over a walkie-talkie radio is an
example of
- A. full-duplex transmission.
- B. half-duplex transmission.
- C. simplex transmission.
- D. asynchronous transmission.
29Which communications medium has the highest
bandwidth?
- A. Coaxial
- B. Fiber optic
- C. Twisted pair
- D. Copper
30The ________ topology consists of a central hub
that controls all messaging in a network.
- A. ring
- B. star
- C. bus
- D. Ethernet
31The ________ topology consists of a circle of
computers that pass data in one direction.
- A. ring
- B. star
- C. bus
- D. Ethernet
32The type of networking application that
automatically exchanges invoices and purchase
orders between two companies computer systems is
called
- A. EDI.
- B. EFT.
- C. XML.
- D. ISDN.
33A common, inexpensive technology used for LANs
- Token Ring
- Ethernet
- Star
- Ring
34Napster and Kazaa are examples of what kind of
network
- Token Ring
- Ethernet
- Peer to Peer
- LAN
35All of the following are associated with WANs
except
- Front end processor
- Multiplexer
- ISDN
- Terminal emulation