General Knowledge

Science and Technology Section 3

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Science and Technology Section 3

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QUEST ? !
Question 21
What does DOCSIS stand for?

A
Data Over Cable Service Interface Specification
B
Data Over Cable Security Internet Std
C
Data Over Cable Secure International Stds
D
Data Over Cable Service Internet Standard
Correct Answer: Option A

DOCSIS was developed by CableLabs. A standard set for Cable equipment to ensure compatibility across all DOCSIS networks.

Question 22
Which of the following word processors came first?

A
WordPerfect
B
Lotus Notes
C
MS Word
D
WordStar
Correct Answer: Option D

Before the invention of word processing and spreadsheet software, personal computers had little value in the mainstream business world. WordStar was used before the days of function keys and the mouse. It, instead, used a set of Ctrl and Alt key combinations to navigate and edit text documents.

Question 23
The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?

A
International Business Machines
B
MITS
C
Xerox
D
Bell Laboratories
Correct Answer: Option D

The transistor, which essentially is a solid-state electronic switch, replaced the much less suitable vacuum tube. Because the transistor consumed significantly less power, a computer system built with transistors was much smaller, faster and more efficient than a computer system built with vacuum tubes.

Question 24
What is TTL?

A
Technical Talk Language
B
Transparent Transfer Layer
C
Time To Live
D
True Technology Lives
Correct Answer: Option C

Time To Live specifies how many more hops a packet can travel before being dropped.

Question 25
What is the Websites code for the country Bulgaria?

A
BU
B
BR
C
BL
D
BG
Correct Answer: Option D

No answer description available for this question.

Question 26
What does PPTP stand for?

A
Point to Point Transmission Protocol
B
Point to Point Transfer Protocol
C
Point to Point Tunneling Protocol
D
Point to Point Traffic Protocol
Correct Answer: Option C

It is a protocol used to create VPN connections over the net.

Question 27
What was the clock speed of the original IBM PC?

A
Less than 5 MHz
B
10 MHz
C
8 MHz
D
Just over 16 MHz
Correct Answer: Option A

The original IBM PC ran at a breathtaking 4.77 MHz (Smmmmmmokin!) Today there are new PC processors that run faster than 3 gigahertz.

Question 28
What is NAT?

A
Network Address Translation
B
Network Administration Tool
C
Novell Address Transfer
D
Newly Added Technology
Correct Answer: Option A

NAT is commonly used by nearly all comsumer routers today, both hardware and software.

Question 29
What is not always necessary for accessing the Web?

A
A Web browser
B
A connection to an Internet Access Provider
C
A computer
D
A modem
Correct Answer: Option D

You need a browser, online access and a computer to surf the Web, but if you're on a local area network (LAN) that's connected to the Internet, you don't need a modem to go online.

Question 30
A computer virus that actively attacks an anti-virus program or programs in an effort to prevent detection is...

A
Worm
B
Retrovirus
C
Trojan
D
Ghost virus
Correct Answer: Option B

No answer description available for this question.