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1. A technique used by codes to convert an analog signal into a digital bit stream is known as:
- Pulse code modulation
- Pulse stretcher
- Query processing
- Queue management
- None of these
2. The most important or powerful computer in a typical network is:
- desktop
- network client
- network server
- network station
- my computer
3. In MS word what is the short curt of Ctrl + L?
- Left Align
- Left Indent
- Increase Left Margin
- Decrease Left Margin
- None
4. Which of the following can NOT be used to create parallel style column?
- Format Tabs
- Table Insert Table
- Insert Textbox
- Format Columns
- None of these
5. An Internet standard for transferring files is known as:
- IRC
- Telnet
- FTP
- WATS
- None of these
- Cybercast and analog cash
- Digital cash and cybercom
- Carders and cybercom
- Cybercast and digital cash
- None of these
7. This type of e-commerce often takes the form of an electronic version of the classified ads or an auction:
- B2C
- C2C
- G2C
- B2B
- None of these
8. The command that fixes the mi-nor errors of the disk:
- Error.fix
- Scandisk
- Chkdsk
- Defrag
- None of these
9. What is a LAN that has one or more dedicated computers and all others act as recipients?
- Peer-to-peer model
- Client/server model
- P-to-p model
- Ring network
- None
10. If a computer has a(n) _________ port, it does not need a NIC.
- Ethernet
- Broad band
- Internet
- Intranet
- None of these
11. Microprocessors as switching devices are used for which gene-ration computers?
- First Generation
- Second Generation
- Third Generation
- Fourth Generation
- None of these
12. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
- Extended Binary Coded Decimal Interchange Code
- Extended Bit Code Decimal Interchange Code
- Extended Bit Case Decimal Interchange Code
- Extended Binary Case Decimal Interchange Code
- None of these
13. Storage capacity of magnetic disk depends on:
- Tracks per inch of surface
- Bits per inch of tracks
- Disk pack in disk surface
- All of above
- None of these
14. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is:
- Memory
- Buffer
- Accumulator
- Address
- None of these
15. A credit card-sized expansion board that is inserted into portable computers that connects the modem to the telephone wall jack is the _________
- Internal modem
- External modem
- PC Card modem
- Wireless modem
- None
16. An of fordable technology that uses existing telephone lines to provide high-speed connections is called _________
- ISDN
- Microwave
- Cable modem
- DSL
- None of these
17. The rules for exchanging data be-tween computers are called
- Interconnections
- Synchronous packages
- Protocols
- Data transmission synchronization
- None of these
18. _________ is the process of breaking down information sent or transmitted across the Internet into small parts called packets.
- Protocol
- Bandwidth
- Reformatting
- Identification
- None of these
19. Relocation bits used by relocating loader are specified (generated) by
- Relocating loader itself
- Linker
- Assembler or translator
- Macro processor
- None of these
20. Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
- to be fair
- to balance resource utilization
- to obey priorities
- to be predictable
- none
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