1. In the United States the television broadcast standard is?
a) PAL
b) NTSC
c) SECAM
d) RGB
Explanation: This voltage often remains in storage even if the set is unplugged. Although the voltage is very high it has very low power but it can be dangerous because your body jumps if brought in contact.
2. In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?
a) 500 volts
b) 5 thousand volts
c) 25 thousand volts
d) 100 thousand volts
Explanation: The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to 'paint' a line of the image and then returns in the other direction much faster.
3. The transformer that develops the high voltage in a home television is commonly called as?
a) Tesla coil
b) Flyback
c) Yoke
d) Van de Graaf
Explanation: The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to 'paint' a line of the image and then returns in the other direction much faster.
4. Which consists of two plates separated by a dielectric and can store a charge?
a) Inductor
b) Capacitor
c) Transistor
d) Relay
Explanation: Useful in tuning and filtering circuits, it blocks DC while passing AC. How much charge a capacitor can store is its capacitance, measured in farads.
5. What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?
a) Inernet
b) Interanet
c) Local Area Network
d) Wide Area Network
Explanation: Local Area Network
6. In which decade was the SPICE simulator introduced?
a) 1950s
b) 1960s
c) 1972s
d) 1980s
Explanation: SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.
7. Most modern TV's draw power even if turned off. The circuit the power is used in does what function?
a) Sound
b) Remote control
c) Color balance
d) High voltage
Explanation: Some authorities are recommending TV's, VCR's and Stereo's be connected to power strips with switches and turned off when not in use to save energy. Your remote will not work until power is switched back on.
8. Which is a type of Electrically-Erasable Programmable Read-Only Memory?
a) Flash
b) Flange
c) Fury
d) FRAM
Explanation: It's commonly used for MP3 players, computer BIOS code and "thumb" drives. Originally developed in Japan by Toshiba, it has become quite popular for products requiring non-volatile erasable memory. Flash devices have a limited number of erase cycles (typically 10,000 to 1,000,000 cycles) so they're not as good a choice for applications in which the data changes constantly. However, since it has no moving parts (unlike a hard disk) it is an excellent choice for storing the operating code for small personal electronics like PDAs, cell phones, digital cameras, and the data in items like MP3 players.
9. The purpose of choke in tube light is ?
a) To decrease the current
b) To increase the current
c) To decrease the voltage momentarily
d) To increase the voltage momentarily
Explanation: To increase the voltage momentarily
10. '.MPG' extension refers usually to what kind of file?
a) WordPerfect Document file
b) MS Office document
c) Animation/movie file
d) Image file
Explanation: Animation/movie file
11. Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these?
a) Transformer
b) Transponder
c) Transducer
d) Converter
Explanation: The transformer is used to transform a medium voltage supply to a low voltage supply, e.g. from 11 000 V to 400 V. A transformer is rated in KVA, kilo-Volt-Amps, which is a measurement of electrical power.
12. What was the active medium used in the first working laser ever constructed?
a) A diamond block
b) Helium-neon gas
c) A ruby rod
d) Carbon dioxide gas
Explanation: Theodore Maiman built the first working laser using a ruby rod while working at Hughes Research Laboratories in Malibu, California. It lased for the first time on May 16, 1960.
13. What does EPROM stand for??
a) Electric Programmable Read Only Memory
b) Erasable Programmable Read Only Memory
c) Evaluable Philotic Random Optic Memory
d) Every Person Requires One Mind
Explanation: A chip found in almost every microprocessor.
14. Blue is what number on the resistor color code?
a) 1
b) 4
c) 2
d) 6
Explanation: 6
15. Changing computer language of 1's and 0's to characters that a person can understand is:
a) Highlight
b) Clip art
c) Decode
d) Execute
Explanation: Decode
16. Voltage is sometimes referred to as EMF, or Electromotive...?
a) Field
b) Factor
c) Flash
d) Force
Explanation: The term EMF, or Electromotive Force, its use now in decline, is attributed to Italian physicist Alessandro Volta (1745-1827). Today we generally use the term "voltage" - can you guess why we call it that?
17. What does AM mean?
a) Angelo marconi
b) Anno median
c) Amplitude modulation
d) Amperes
Explanation: Amplitude modulation was the first type to be used in radio. It works well with HF and morse code.
18. '.BAT' extension refers usually to what kind of file?
a) Compressed Archive file
b) System file
c) Audio file
d) Backup file
Explanation: System file
19. What is the term to ask the computer to put information in order numerically or alphabetically?
a) Crop
b) Report
c) Record
d) Sort
Explanation: Sort
20. The input used by an antenna or cable to a TV set uses frequencies called:
a) IF
b) RF
c) AF
d) SAP
Explanation: RF is radio frequency. IF is intermediate frequency used inside the TV for processing. AF is audio frequency. SAP is second audio program which may have another language or other soundtrack as an option to the main soundtrack.
21. What is the Websites code for the country Colombia?
a) CO
b) CM
c) CL
d) CB
Explanation: CO is the Websites code for the country Colombia
22. Which of the following word processors came first?
a) WordPerfect
b) Lotus Notes
c) MS Word
d) WordStar
Explanation: 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.
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
Explanation: 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.
24. What is TTL?
a) Technical Talk Language
b) Transparent Transfer Layer
c) Time To Live
d) True Technology Lives
Explanation: Time To Live specifies how many more hops a packet can travel before being dropped.
25. What is the Websites code for the country Bulgaria?
a) BU
b) BR
c) BL
d) BG
Explanation: BG is the Websites code for the country Bulgaria
26. Which of these is a documented hoax virus?
a) McDonalds screensaver
b) Alien.worm
c) Merry Xmas
d) Adolph
Explanation: A virus hoax is usually an email that gets mailed in chain letter fashion describing some devastating highly unlikely type of virus, you can usually spot a hoax because there's no file attachment, no reference to a third party who can validate the claim and the general 'tone' of the message.
27. What does SSL stand for?
a) Secure Socket Layer
b) System Socket Layer
c) Superuser System Login
d) Secure System Login
Explanation: A protocol developed by Netscape to allow secure connections over the net.
28. What is a URL?
a) A computer software program
b) A type of UFO
c) The address of a document or
d) An acronym for Uniform Resources Learning
Explanation: URL stands for Uniform Resource Locator. It is an address for a specific document found on the Web.
29. The Central Processing Unit is an embeded chip that acts as the 'brains' of a computer. What Intel chip was used in the Altair (the first real personal computer)?
a) 6502
b) 8080
c) 6400
d) 8286
Explanation: The Intel 8080 was a jazzed-up calculator chip. It was included in microcomputer kits which were little more than demonstration tools and did little except blink lights. Besides the 8080 chip, the Altair included a power supply, a front panel with a large number of lights and 256 bytes (not kilobytes) of memory. The kit sold for {$395} and had to be assembled.
30. What is a NIC?
a) Netware Intranet Controller
b) No Internet Connection
c) Network Interface Card
d) Network Interference Control
Explanation: A NIC is a Network Interface Card. Usually a card that is plugged into a computer's expansion slot.
31. What is a GPU?
a) Grouped Processing Unit
b) Graphics Processing Unit
c) Graphical Performance Utility
d) Graphical Portable Unit
Explanation: It is a chip dedicated to performing 3D calculations.
32. 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
Explanation: DOCSIS was developed by CableLabs. A standard set for Cable equipment to ensure compatibility across all DOCSIS networks.
33. Which one of the following is a search engine?
a) Macromedia Flash
b) Bing
c) Netscape
d) Librarians' Index to the Internet
Explanation: A search engine is a program that searches for Web documents with keyword (s) you specify. Yahoo!, Google, Bing and AltaVista are just some examples of search engines that have been created to help you find information on the Web.
34. Which is the best search tool for finding Web sites that have been handpicked and recommended by someone else?
a) Subject directories
b) Search engines
c) Meta-search engines
d) Discussion groups
Explanation: Subject directories tend to house fewer—sometimes more relevant—sites than those found through search engines. Sites in a subject directory often have been handpicked by editorial teams or specialists in a particular field.
35. What is LCP?
a) Local Connection Protocol
b) Lost Connection Problem
c) Link Control Protocol
d) Laggy Connection Problem
Explanation: LCP is a part of PPP(Point-Point Protocol).
36. What is the Websites code for the country Mongolia?
a) MN
b) ML
c) MG
d) MO
Explanation: MN is the Websites code for the country Mongolia
37. 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
Explanation: The original IBM PC ran at a breathtaking 4.77 MHz (Smmmmmmokin!) Today there are new PC processors that run faster than 3 gigahertz.
38. What is NAT?
a) Network Address Translation
b) Network Administration Tool
c) Novell Address Transfer
d) Newly Added Technology
Explanation: NAT is commonly used by nearly all consumer routers today, both hardware and software.
39. 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
Explanation: 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.
40. On what date was the debut of the first IBM Personal Computer?
a) August 12, 1981
b) January 21 1979
c) August 21, 1980
d) January 12, 1982
Explanation: Before IBM created its personal computer, two types of computer systems, Apple II and CP-M, dominated the microcomputer world. Neither of these systems were PC compatible, or Mac-compatible (the two primary standards in place today). The original IBM PC became a new standard in the microcomputer industry. Since then, hundreds of millions of PC-compatible systems have been sold, as the original PC grew into a large family of computers and peripherals. More software has been written for this computer family than for any other system on the market.
41. What does ECP stand for?
a) Extended Capabilities Port
b) Extra Compatible Part
c) Extended Connection Port
d) External Cordless Peripheral
Explanation: An Extended Capabilities Port is about 10 times faster than the old standard one, but it is used the same way a regular parallel port is.
42. The first graphical browser for the WWW was named:
a) Netscape
b) Veronica
c) Mosaic
d) Explorer
Explanation: Mosaic
43. What is RISC?
a) Remodeled Interface System Computer
b) Remote Intranet Secured Connection
c) Runtime Instruction Set Compiler
d) Reduced Instruction Set Computer
Explanation: Reduced Instruction Set Computer - a type of microprocessor that relies on simple instructions which can be used to build more complicated ones.
44. What does ICMP stand for?
a) Internet Connection Modem Protocol
b) Intranet Control Message Program
c) Internal Conflict Management Program
d) Internet Control Message Protocol
Explanation: ICMP Packets are used to send control messages including errors.
45. What is FMD?
a) FastEthernet Measuring Device
b) Flashing Media Diode
c) Fluorescent Multi-Layer Disc
d) Flash Media Driver
Explanation: A new type of disc developed by Constellation 3D Inc. These discs can hold up to to 140 GB of data.
46. 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
Explanation: It is a protocol used to create VPN connections over the net.
47. According to CNN, how much did Internet traffic increase between 1994 and 1996?
a) Two times
b) Five times
c) Ten times
d) Twenty-five times
Explanation: Twenty-five times
48. In 1983, which person was the first to offer a definition of the term 'computer virus'?
a) McAfee
b) Smith
c) Cohen
d) Norton
Explanation: 1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as 'a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.'
49. What is the World Wide Web?
a) A computer game
b) A software program
c) The part of the Internet that enables information-sharing via interconnected pages
d) Another name for the Internet
Explanation: The World Wide Web is a subset of the Internet. Specifically, the Web is a collection of documents and applications residing on Internet servers around the world.
50. What is the Websites code for the country United Kingdom?
a) GB
b) UK
c) EN
d) EG
Explanation: UK is the Websites code for the country United Kingdom
51. What is VCM?
a) Virtual Connection Manager
b) Virtual Channel Memory
c) Voice Controlled Modem
d) Voice Communications Module
Explanation: VCM was designed by NEC Corp. It is supposed to be faster than normal SDRAM, and it is, but it never caught on.
52. ARPANET, the precursor to the Internet, was developed by:
a) FAA
b) Department of Defence
c) NATO
d) UART
Explanation: Department of Defence
53. What is a spider?
a) A computer virus
b) A program that catalogs Web sites
c) A hacker who breaks into computer systems
d) An application for viewing Web sites
Explanation: Spiders are also referred to as "bots" or "crawlers," and constantly scan the Internet for new and updated Web sites.
54. Which of the following is not a part of the Internet?
a) World Wide Web
b) Email
c) CD-ROM
d) HTTP
Explanation: CD-ROM
55. The abbreviation URL stands for:
a) User Regulation Law
b) Unknown RAM Load
c) Uniform Resource Locator
d) Ultimate RAM Locator
Explanation: Uniform Resource Locator
56. What is a MAC?
a) A Computer made by Apple
b) Memory Address Corruption
c) Mediocre Apple Computer
d) Media Access Control
Explanation: MAC is short for Media Access Control address, an address unique to every piece of network hardware.
57. This virus activated every Friday the 13th, affects both .EXE and .COM files and deletes any programs run on that day. What is the name of that virus?
a) Chernobyl
b) Jerusalem
c) Melissa
d) I Love You
Explanation: This was one of the most common viruses unleashed in 1988.
58. A program that neither replicates or copies itself, but does damage or compromises the security of the computer. Which 'Computer Virus' it is?
a) Joke Program
b) Worm
c) Trojan
d) Hoax
Explanation: Typically it relies on someone emailing it to you, it does not email itself, it may arrive in the form of a joke program or software of some sort.
59. What is the Websites code for the country New Zealand?
a) NZ
b) NW
c) NE
d) ZL
Explanation: NZ is the Websites code for the country New Zealand
60. Which Intel chip was the first to support a 32-bit bus architecture?
a) 486SI
b) Pentium
c) 286
d) 386DX
Explanation: The 386 chip was the first to offer a possible 32- or 64-bit access to data. OS-2 2.x or higher and Windows 95 required at least a 386 CPU while Windows NT 4.x required at least a 486 CPU to run.