Question 1

What is the main disadvantage of relational databases?

Accepted Answer

A) The relationships between datasets must be known. 
B) Data tags must be determined in advance. 
C) They restrict the possible uses of the database. 
D) There is redundant data. 
A) The relationships between datasets must be known. 
B) Data tags must be determined in advance. 
C) They restrict the possible uses of the database. 
D) There is redundant data. D

Question 2

Which of the following is not an advantage that LCD monitors have over CRT monitors?

Accepted Answer

A) They are cheaper. 
B) They take up less space. 
C) The screens are perfectly flat. 
D) The image isn't distorted near the edges. 
A) They are cheaper. 
B) They take up less space. 
C) The screens are perfectly flat. 
D) The image isn't distorted near the edges. A

Question 3

What is the main disadvantage of backwards compatibility?

Accepted Answer

A) Older programs aren't as good as new ones. 
B) Old programs may run, but they often run badly. 
C) Systems that are backwards compatible must be more complex. 
D) Old programs and new programs often have runtime conflicts. 
A) Older programs aren't as good as new ones. 
B) Old programs may run, but they often run badly. 
C) Systems that are backwards compatible must be more complex. 
D) Old programs and new programs often have runtime conflicts. C

Question 4

What agency is responsible for regulating IP addresses?

Accepted Answer

A) WWW 
B) ICANN 
C) Each company is responsible for maintaining its own IP address. 
D) The job is split between regional registries. 
A) WWW 
B) ICANN 
C) Each company is responsible for maintaining its own IP address. 
D) The job is split between regional registries.

Question 5

Which of the following is not an example of malware?

Accepted Answer

A) A computer virus 
B) Trojan horses 
C) A hacker accessing your system 
D) Adware 
A) A computer virus 
B) Trojan horses 
C) A hacker accessing your system 
D) Adware

Question 6

What determines the maximum size of an Ethernet network?

Accepted Answer

A) There is no maximum size. 
B) The maximum size depends on the strength of the transmitter. 
C) The maximum size is limited by the collision domain. 
D) The maximum size is limited by the server's processing power. 
A) There is no maximum size. 
B) The maximum size depends on the strength of the transmitter. 
C) The maximum size is limited by the collision domain. 
D) The maximum size is limited by the server's processing power.

Question 7

Which of the following is the best definition of digital information?

Accepted Answer

A) Information that is stored on a computer 
B) Information that is stored as discrete data 
C) Information that is accessible online 
D) Information that can be read from a computer screen 
A) Information that is stored on a computer 
B) Information that is stored as discrete data 
C) Information that is accessible online 
D) Information that can be read from a computer screen

Question 8

What would happen if you ran a computer without a graphics card?

Accepted Answer

A) The computer wouldn't be able to play videos. 
B) The computer wouldn't be able to render 3D graphics. 
C) The system would slow down a great deal. 
D) There would be no image. 
A) The computer wouldn't be able to play videos. 
B) The computer wouldn't be able to render 3D graphics. 
C) The system would slow down a great deal. 
D) There would be no image.

Question 9

What open-source software?

Accepted Answer

A) Software that is available free of charge 
B) Software that was developed by a non-profit organization 
C) Software that can work on any operating system 
D) Software with freely available source code 
A) Software that is available free of charge 
B) Software that was developed by a non-profit organization 
C) Software that can work on any operating system 
D) Software with freely available source code

Question 10

Why is the JPEG format considered to be lossy?

Accepted Answer

A) It loses data during data compression. 
B) The file marker is easy to lose. 
C) The encoding can be lost, making the picture useless. 
D) Lossy is programming jargon referring to the algorithms that JPEG uses. 
A) It loses data during data compression. 
B) The file marker is easy to lose. 
C) The encoding can be lost, making the picture useless. 
D) Lossy is programming jargon referring to the algorithms that JPEG uses.

Question 11

How does prototyping work in software engineering?

Accepted Answer

A) A shorter, simpler version is designed as a proof of concept. 
B) Software is written to solve easier problems of a similar type. 
C) A rough, approximate version is designed quickly as a proof of concept. 
D) The prototype is only the logic of the program, not the code. 
A) A shorter, simpler version is designed as a proof of concept. 
B) Software is written to solve easier problems of a similar type. 
C) A rough, approximate version is designed quickly as a proof of concept. 
D) The prototype is only the logic of the program, not the code.

Question 12

Does modern encryption rely more heavily on private key or public key encryption?

Accepted Answer

A) Public key encryption 
B) Private key encryption 
C) A combination of public and private key encryption 
D) Neither technique is used much anymore 
A) Public key encryption 
B) Private key encryption 
C) A combination of public and private key encryption 
D) Neither technique is used much anymore

Question 13

In terms of online security, what is re-identification?

Accepted Answer

A) Validating a user's identity before granting access to secure content 
B) Validating a user's identity throughout a secure session 
C) Requiring a user to log back in after a session has expired 
D) Determining a user's actual identity from anonymous information 
A) Validating a user's identity before granting access to secure content 
B) Validating a user's identity throughout a secure session 
C) Requiring a user to log back in after a session has expired 
D) Determining a user's actual identity from anonymous information

Question 14

What activity reduces huge amounts of data to smaller sets of meaningful, usable data?

Accepted Answer

A) Data mining 
B) Data silos 
C) Data warehousing 
D) SQL querying 
A) Data mining 
B) Data silos 
C) Data warehousing 
D) SQL querying

Question 15

Which of the following processes is not controlled by the operating system?

Accepted Answer

A) Process management 
B) Maintaining interoperability 
C) File management 
D) Memory management 
A) Process management 
B) Maintaining interoperability 
C) File management 
D) Memory management

Question 16

Why is C considered to be a low-level programming language?

Accepted Answer

A) It gives the programmer direct control over memory and hardware. 
B) It is usually learned early in a programmer's education. 
C) It is not as powerful as some other languages. 
D) It is only useful for simple tasks. 
A) It gives the programmer direct control over memory and hardware. 
B) It is usually learned early in a programmer's education. 
C) It is not as powerful as some other languages. 
D) It is only useful for simple tasks.

Question 17

Which of the following might be included in a document's metadata?

Accepted Answer

A) The date of creation 
B) The number of times the document has been accessed 
C) The usernames of everyone who has accessed the document 
D) All of the above 
A) The date of creation 
B) The number of times the document has been accessed 
C) The usernames of everyone who has accessed the document 
D) All of the above

Question 18

Where does the term floppy disk come from?

Accepted Answer

A) The fact that the data can be changed easily 
B) The fact that the encoding protocol is considered sloppy by some 
C) The fact that the disks used to be bendable 
D) The fact that they go between computers, i.e. flip flop 
A) The fact that the data can be changed easily 
B) The fact that the encoding protocol is considered sloppy by some 
C) The fact that the disks used to be bendable 
D) The fact that they go between computers, i.e. flip flop

Question 19

Which of the following is a major advantage of cloud computing?

Accepted Answer

A) Programs are easier to design for cloud computing. 
B) Resources are used more efficiently. 
C) Cloud computing is inherently more secure. 
D) Programs use less processing power when running on the cloud. 
A) Programs are easier to design for cloud computing. 
B) Resources are used more efficiently. 
C) Cloud computing is inherently more secure. 
D) Programs use less processing power when running on the cloud.

Question 20

What role does the BIOS play?

Accepted Answer

A) The BIOS loads the operating system. 
B) The BIOS mediates between the operating system and the computer. 
C) The BIOS mediates between the operating system and the user. 
D) The BIOS is a backup in case the operating system fails. 
A) The BIOS loads the operating system. 
B) The BIOS mediates between the operating system and the computer. 
C) The BIOS mediates between the operating system and the user. 
D) The BIOS is a backup in case the operating system fails.

Exam 11: Computers

What is the main disadvantage of relational databases?

Which of the following is not an advantage that LCD monitors have over CRT monitors?

What is the main disadvantage of backwards compatibility?

What agency is responsible for regulating IP addresses?

Which of the following is not an example of malware?

What determines the maximum size of an Ethernet network?

Which of the following is the best definition of digital information?

What would happen if you ran a computer without a graphics card?

What open-source software?

Why is the JPEG format considered to be lossy?

How does prototyping work in software engineering?

Does modern encryption rely more heavily on private key or public key encryption?

In terms of online security, what is re-identification?

What activity reduces huge amounts of data to smaller sets of meaningful, usable data?

Which of the following processes is not controlled by the operating system?

Why is C considered to be a low-level programming language?

Which of the following might be included in a document's metadata?

Where does the term floppy disk come from?

Which of the following is a major advantage of cloud computing?

What role does the BIOS play?

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