1) A network that allows connected computers to share data, software application
ID: 3888620 • Letter: 1
Question
1)
A network that allows connected computers to share data, software applications, or other resources, typically within a limited geographic area, is called a ___________.
limited area network
personal area network
professional area network
wide area network
local area network
2)
Network protocols cover all of the following network issues EXCEPT:
data transmission format.
packets routing from source to destination.
error checking procedure.
application programming language.
data compression method.
3)
A large number of documents can be entered into a computer system separately and then manipulated at a single time using __________ processing.
simple
application
unit
group
batch
4)
The purpose of a(n) _____ is to connect other devices to a computer.
power supply
portal
tape
element
port
5)
Data is stored in a computer using patterns of ____________ defined by standard coding schemes.
bytes
hertz
bits
programming statements
characters
6)
Utility programs provide all of the following functions EXCEPT:
creating backups.
formatting disks.
converting file formats.
detecting spyware.
defragmenting files on hard drives.
7)
Which of the following is a large worldwide collection of networks that uses a common protocol to communicate?
The World Wide Web
Domain Name System
Local area network
The Internet
Wide area network
8)
Which of the following automates or supports activities throughout the systems development process to increase productivity and improve overall system quality?
Computer-aided biotechnology
Computer-aided instructional technology
Computer-aided software engineering tools
Computer-aided development
Computer-aided engineering
9)
Which of the following is NOT true regarding open source software?
Open source means the software is freely available to the general public.
Users are free to suggest ideas for open source software but only a small group of carefully selected "committers" can implement the changes into the official releases of the software.
The Internet has helped enable people around the world to contribute their time and expertise to develop or improve software.
Mainstream computer companies have no involvement with the open source software movement.
Open source software is available for many types of software, including operating systems, programming languages, database management systems, and applications.
10)
A(n) _____________ translates an entire computer program into machine language which is then executed by the CPU.
compiler
foreign exchange
executable
server
client device
11)
___________ is a programming platform that is used to develop applications that are highly interoperable across a variety of platforms and devices, such as desktop computers, mobile computers, or smartphones.
Microsoft .NET
Java
Flash
HTML
Javascript
12)
The technique of ____________ is necessary to refine the structure of a relational database model to optimize its efficiency and maintainability.
fine-tuning
refinement
renovation
normalization
enhancement
13)
In a client-server network environment, which of the following is NOT a common server type?
Print servers
Application servers
Telephone servers
E-mail servers
Database servers
14)
_______________ is an example of volatile memory.
An optical disk
A solid-state drive
Read-only memory
Random access memory (RAM)
A redundant array of independent drives (RAID)
15)
____________ is (are) used to process human body characteristics to identify and authenticate individuals for security and access control purposes.
Optical character recognition
Biometric scanners
Bar code readers
Optical mark recognition
Magnetic ink character recognition
16)
A(n) _____________ key, like StudentID in a STUDENT table, is used to uniquely identify each row or record in a database table.
primary
redundant
foreign
optional
relationship
17)
___________________ computing involves incorporating two or more networked computers to increase computing power and accomplish a common processing task.
Supportive
Collaborative
Centralized
Networked
Cooperative
18)
Which of the following statements about the relational database model is NOT true?
Fields of data are in table columns.
Data redundancy is completely eliminated.
Records of data are in table rows.
Tables can be related through the use of common fields.
Tables contain all the facts about the objects of interest in the database.
19)
____________ are private, third-party-managed wide area networks commonly used for B2B communications.
Limited area networks
Professional area networks
Personal area networks
Local area networks
Value-added networks
20)
Which of the following is commonly used when designing a database for the purpose of showing associations between entities?
Computer clustering
Batch processing
Entity normalization technique
Packet switching
Entity-relationship diagram
21)
Which of the following devices helps avoid the problem of transmission collisions among computers, servers, and printers?
Router
Wireless access point
Switch
Wireless controller
Modem
22)
Which of the following is NOT a correct aspect of communication on the Internet?
TCP/IP is the protocol that governs Internet communication.
TCP breaks data into small chunks and manages the transfer of those packets from computer to computer via packet switching.
Routers connect networks and send packets along the route from source to destination.
Ethernet is the protocol that governs Internet communication.
IP defines how a packet is constructed.
23)
A biometric fingerprint is considered a(n) _____________ technology used for authentication purposes.
bar code
output
input
magnetic ink character recognition
optical mark recognition
24)
Operating systems perform a variety of necessary functions for computers, including all of the following EXCEPT:
maintaining the structure of storage directories and subdirectories.
changing the font style and color in a Word document.
managing secondary storage.
managing the programs and data in main memory.
booting (starting) the computer.
25)
In order for individuals to connect to the Internet, it is necessary to go through a(n) _____________.
Internet service provider
personal area network
Ethernet
exchange service
domain name
Explanation / Answer
CHEGG POLICY : ONLY ONE QUESTION PER POST IS ALLOWED OR A SINGLE QUESTION WITH ATMOST 4 SUBPARTS ,please ABIDE BY THE CHEGG POLICY
1. Local Area Network
2. Application Programming Language
3. Batch
4.Port
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