Computer Fundamental

note!Answer: B) Dragging
Dragging means holding down the mouse button while moving the mouse. It is the basic action for moving or selecting objects this way.

note!Answer: C) 16
Hexadecimal is a base-16 number system.

note!Answer: A) Logical operators
NOT, AND, OR and XOR are logical operators that work on true/false values.

note!Answer: D) All of the above
Common file attributes include Read-only, Hidden, Archive, and System.

note!Answer: A) GIGO
GIGO means 'Garbage In, Garbage Out': invalid input produces inaccurate output.

note!Answer: A) Hardware
Program counter, registers, interrupts and terminals are physical hardware components, so this is the hardware interface.

note!Answer: A) Semantic analysis
Syntax analysis checks grammatical structure, and semantic analysis then determines the meaning of the statement.

note!Answer: C) Perform LC processing
LC (location counter) processing is done in the analysis phase, not the synthesis phase.

note!Answer: B) <symbol>EQU<address space>
EQU assigns a value to a symbol, so the symbol comes before EQU followed by the address space or value.

note!Answer: B) Human ware
Humanware refers to the people who operate and manage computer systems.

note!Answer: B) 41H
'A' is decimal 65, which equals 41 in hexadecimal and 01000001 in binary.

note!Answer: D) Modem
A modem both sends and receives data over communication lines (modulates and demodulates signals).

note!Answer: A) Graphics interchange format
GIF stands for Graphics Interchange Format, an image file format.

note!Answer: A) Time Burners Lee
The World Wide Web was invented by Tim Berners-Lee in 1989.

note!Answer: B) Outlook express
Outlook Express is an email client, not a web browser.

note!Answer: B) Altavista.com
AltaVista is a well-known search engine; the others are a movie site, an email service and a news site.

note!Answer: D) Back
The Back button returns the browser to the previously viewed page.

note!Answer: B) Internet explorer
Internet Explorer is a web browser, not a search engine; Yahoo, Altavista and Lycos are search engines.

note!Answer: B) Dynamic Data Exchange
DDE stands for Dynamic Data Exchange, a Windows mechanism for sharing data between applications.

note!Answer: A) Internet explorer
Internet Explorer is a popular web browser; Yahoo is a search portal and Windows 95 is an operating system.