Question 1

Write a note on touch screens.

Accepted Answer

Touch screens,which usually work with menus,are actually a combination of input devices.Some touch screens rely on light detection to determine which menu item has been selected,and others are pressure sensitive.Touch screens are often easier to use than keyboards,but they might not be as accurate because selections can be misread.You probably saw touch screens used extensively during the 2012 presidential election to quickly show electoral maps and analyze election data in different ways.

Question 2

Write a note on computer speed.On what basis is the speed determined?

Accepted Answer

Typically,computer speed is measured as the number of instructions performed during the following fractions of a second:
•Millisecond: 1 / 1000 of a second
•Microsecond: 1 / 1,000,000 of a second
•Nanosecond: 1 / 1,000,000,000 of a second
•Picosecond: 1 / 1,000,000,000,000 of a second

Question 3

____ memory,which is nonvolatile,holds data when the computer is off or during the course of a program's operation.

Accepted Answer

A) Raw 
B) Open 
C) Secondary 
D) Replicated 
A) Raw 
B) Open 
C) Secondary 
D) Replicated C

Question 4

One of the major disadvantages of silicon is that:

Accepted Answer

A) mass production of silicon devices is difficult. 
B) it cannot emit light. 
C) it is very soft and fragile. 
D) it is very costly. 
A) mass production of silicon devices is difficult. 
B) it cannot emit light. 
C) it is very soft and fragile. 
D) it is very costly.

Question 5

Provide a general description of how to write a computer program.

Accepted Answer

To write a computer program,first you mu

Question 6

With NAS,as the number of users increase,the performance increases too.

Accepted Answer

A) True 
 B)False

Question 7

Imagine that you could ask your computer,"What product generated the most sales last year?"and the computer responds with a correct answer. ____________________ facilitate such natural conversations.

Accepted Answer

The answer of Imagine that you could ask your computer,"What...

Question 8

_____ is a function performed by control programs that controls data integrity by generating checksums to verify that data has not been corrupted or changed.

Accepted Answer

A) Job management 
B) Resource allocation 
C) Data management 
D) Communication 
A) Job management 
B) Resource allocation 
C) Data management 
D) Communication

Question 9

_____ is the most common output device for soft copy.

Accepted Answer

A) Liquid crystal display 
B) Inkjet printer 
C) Laser printer 
D) Voice synthesis device 
A) Liquid crystal display 
B) Inkjet printer 
C) Laser printer 
D) Voice synthesis device

Question 10

An operating system (OS)is:

Accepted Answer

A) a set of programs for controlling and managing computer hardware and software. 
B) a computer and all the software for managing network resources and offering services to a network. 
C) is a collection of disk drives used for fault tolerance, typically in large network systems. 
D) the main circuit board containing connectors for attaching additional boards. 
A) a set of programs for controlling and managing computer hardware and software. 
B) a computer and all the software for managing network resources and offering services to a network. 
C) is a collection of disk drives used for fault tolerance, typically in large network systems. 
D) the main circuit board containing connectors for attaching additional boards.

Question 11

The ____________________ tells the computer what to do,such as instructing the computer which device to read or send output to.

Accepted Answer

The answer of The ____________________ tells the computer what to...

Question 12

An Extended ASCII data code allows representation of 1024 characters.

Accepted Answer

A) True 
 B)False

Question 13

Flash memory is used in memory cards.

Accepted Answer

A) True 
 B)False

Question 14

Inkjet printers produce characters by projecting electrically charged droplets of ink onto paper that create an image.

Accepted Answer

A) True 
 B)False

Question 15

A serial port is a communication interface through which information is transferred one bit at a time.

Accepted Answer

A) True 
 B)False

Question 16

The ____________________ function of an operating system manages computer resources,such as storage and memory.

Accepted Answer

The answer of The ____________________ function of an operating system...

Question 17

Write a note on desktop publishing software.

Accepted Answer

Desktop publishing software is used to p

Question 18

Extended ASCII data code allows representation of:

Accepted Answer

A) 64 characters. 
B) 129 characters. 
C) 256 characters. 
D) 1024 characters. 
A) 64 characters. 
B) 129 characters. 
C) 256 characters. 
D) 1024 characters.

Question 19

NAS is popular for Web servers and e-mail servers because it lowers management costs and helps make these servers more fault tolerant.

Accepted Answer

A) True 
 B)False

Question 20

____________________ read-only memory is similar to PROM,but its contents can be erased and reprogrammed.

Accepted Answer

Erasable p

Write a note on touch screens.

Write a note on computer speed.On what basis is the speed determined?

____ memory,which is nonvolatile,holds data when the computer is off or during the course of a program's operation.

One of the major disadvantages of silicon is that:

Provide a general description of how to write a computer program.

With NAS,as the number of users increase,the performance increases too.

Imagine that you could ask your computer,"What product generated the most sales last year?"and the computer responds with a correct answer. ____________________ facilitate such natural conversations.

_____ is a function performed by control programs that controls data integrity by generating checksums to verify that data has not been corrupted or changed.

_____ is the most common output device for soft copy.

An operating system (OS)is:

The ____________________ tells the computer what to do,such as instructing the computer which device to read or send output to.

An Extended ASCII data code allows representation of 1024 characters.

Flash memory is used in memory cards.

Inkjet printers produce characters by projecting electrically charged droplets of ink onto paper that create an image.

A serial port is a communication interface through which information is transferred one bit at a time.

The ____________________ function of an operating system manages computer resources,such as storage and memory.

Write a note on desktop publishing software.

Extended ASCII data code allows representation of:

NAS is popular for Web servers and e-mail servers because it lowers management costs and helps make these servers more fault tolerant.

____________________ read-only memory is similar to PROM,but its contents can be erased and reprogrammed.

Information Systems: an Overview

Database Systems,data Warehouses,and Data Marts

Personal,legal,ethical,and Organizational Issues of Information Systems

Protecting Information Resources

Data Communication: Delivering Information Anywhere and Anytime

The Internet,intranets,and Extranets

E-Commerce

Global Information Systems

Building Successful Information Systems

Enterprise Systems

Management Support Systems

Intelligent Information Systems

Emerging Trends,technologies,and Applications

Filters

Exam 2: Computers: the Machines Behind Computing

Write a note on touch screens.

Write a note on computer speed.On what basis is the speed determined?

____ memory,which is nonvolatile,holds data when the computer is off or during the course of a program's operation.

One of the major disadvantages of silicon is that:

Provide a general description of how to write a computer program.

With NAS,as the number of users increase,the performance increases too.

Imagine that you could ask your computer,"What product generated the most sales last year?"and the computer responds with a correct answer. ____________________ facilitate such natural conversations.

_____ is a function performed by control programs that controls data integrity by generating checksums to verify that data has not been corrupted or changed.

_____ is the most common output device for soft copy.

An operating system (OS)is:

The ____________________ tells the computer what to do,such as instructing the computer which device to read or send output to.

An Extended ASCII data code allows representation of 1024 characters.

Flash memory is used in memory cards.

Inkjet printers produce characters by projecting electrically charged droplets of ink onto paper that create an image.

A serial port is a communication interface through which information is transferred one bit at a time.

The ____________________ function of an operating system manages computer resources,such as storage and memory.

Write a note on desktop publishing software.

Extended ASCII data code allows representation of:

NAS is popular for Web servers and e-mail servers because it lowers management costs and helps make these servers more fault tolerant.

____________________ read-only memory is similar to PROM,but its contents can be erased and reprogrammed.

Information Systems: an Overview

Database Systems,data Warehouses,and Data Marts

Personal,legal,ethical,and Organizational Issues of Information Systems

Protecting Information Resources

Data Communication: Delivering Information Anywhere and Anytime

The Internet,intranets,and Extranets

E-Commerce

Global Information Systems

Building Successful Information Systems

Enterprise Systems

Management Support Systems

Intelligent Information Systems

Emerging Trends,technologies,and Applications

Filters