Question 11 (1 point) A _____ is a telecommunications hardware device that conve

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Question 11 (1 point)

A _____ is a telecommunications hardware device that converts communications signals so they can be transmitted over the communication media.

Question 11 options:

register

modem

multiplexer

switch

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Question 12 (1 point)

The smallest piece of data used by a computer is a(n) _____.

Question 12 options:

entity

byte

bit

character

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Question 13 (1 point)

With _____, a software engineer drags and drops graphical objects such as buttons and menus onto an application form.

Question 13 options:

assembly language

machine code

visual programming

fourth generation language

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Question 14 (1 point)

Telecommuting is well suited for people who _____.

Question 14 options:

work as real estate agents

require frequent face-to-face interaction

need much supervision

have very short-term deadlines

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Question 15 (1 point)

_____ is a developing network wireless communications frequently used in security systems for sensing and controlling energy-consuming devices.

Question 15 options:

Wi-Fi

Bluetooth

ZigBee

WiMax

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Question 16 (1 point)

_____ is a very short-range wireless connectivity technology designed for consumer electronics, cell phones, and credit cards.

Question 16 options:

Microwave transmission

Wireless mesh

Near field communication (NFC)

Wi-Fi

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Question 17 (1 point)

The _____ techniques of the operating system increases the amount of processing that can be accomplished in a given amount of time.

Question 17 options:

user interface

networking capability

file management

task management

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Question 18 (1 point)

A _____ is a description that involves "telling" the database management system (DBMS) the logical and physical structure of the data and the relationships among the data for each user.

Question 18 options:

query

record

schema

field

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Question 19 (1 point)

A ______ is a collection of instructions and commands used to define and describe data and relationships in a specific database.

Question 19 options:

data dictionary

schema

data definition language

data manipulation language

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Question 20 (1 point)

_____ is a special-purpose programming language for accessing and manipulating data stored in a relational database.

Question 20 options:

Query by Example (QBE)

Access

Structured Query Language (SQL)

Java

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register

modem

multiplexer

switch

Explanation / Answer

11. Modem

This is the hardware device which is used for communications

12. Bit

It is the smallest part with value either 0 or 1

13. Visual programming

This is an application intended for customizing

14. Need much supervision

Through telecommuting one can monitor the activities regardless of the geographical location.

15. Zig-Bee

This wireless communication is primarily intended for secured networking and being energy efficient

16. Near field communication (NFC)

This is specially designed for transmitting data through portable devices like Smartphone.

17. Schema

19. Data definition language

20. Structured Query Language (SQL)

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