What are the two terminals of a diode called?
Answer: D
A diode's terminals are the anode and cathode.
Current flows easily from anode to cathode and hardly at all the other way, which is what makes a diode a one-way valve for electricity and the basis of rectification.
Please log in or register to report this question.
Another word for 'Graphics for a word processor'?
Answer: B
Graphics supplied for use in a word processor are clip art.
They are ready-made drawings and images, originally sold on sheets to be literally clipped out and pasted into layouts, which is where the name comes from.
Please log in or register to report this question.
Internet Explorer is a:
Answer: B
Internet Explorer is a web browser.
Microsoft released it in 1995 and bundled it with Windows, which won it about 95 per cent of the market by 2003 and led to the antitrust case. It was replaced by Edge in 2015.
Please log in or register to report this question.
When discussing technology, a hot spot is...
Answer: B
A hot spot is a place served by public wireless access.
A Wi-Fi access point connected to the internet lets anyone within range connect, typically in a café, airport or hotel. Traffic on an open hotspot is visible to others nearby unless the site itself is encrypted.
Please log in or register to report this question.
Which of these is a valid e-mail address?
Answer: C
[email protected] is the valid address.
An email address is a local part, an @ sign and a fully qualified domain name. 'professor@learnthenet' lacks a top-level domain, and www.learnthenet.com is a web address, not an email one.
Please log in or register to report this question.
Another word for the CPU is:
Answer: B
Another word for the CPU is the microprocessor.
It is the chip that fetches, decodes and executes instructions - the arithmetic logic unit, control unit and registers on a single piece of silicon. Intel's 4004 of 1971 was the first.
Please log in or register to report this question.
ROM stands for:
Answer: B
ROM stands for read only memory.
Its contents are fixed when the chip is made or programmed and survive without power, which is why the BIOS or firmware that starts a computer is held in it.
Please log in or register to report this question.
What's a web browser?
Answer: D
A web browser is a software program that lets you access sites on the World Wide Web.
It fetches pages by HTTP, renders the HTML, applies the stylesheets and runs the scripts. Chrome, Firefox, Safari and Edge are the common ones.
Please log in or register to report this question.
Which technology is used in RFID tags to identify an object ?
Answer: C
Correct answer: Radio waves
Radio Frequency Identification tags respond to a reader’s radio signal with a stored identifier. Passive tags draw their power from that signal itself, which is why they need no battery and can be made thin enough to embed in a label.
Please log in or register to report this question.
Which of the following is NOT a type of expansion slot or bus design used in Advanced-Technology class systems?
Answer: C
PROM is not an expansion bus - it is programmable read-only memory.
ISA, EISA and PCMCIA are all expansion bus designs: ISA was the original PC bus, EISA its 32-bit extension, and PCMCIA the card slot used in laptops.
Please log in or register to report this question.
