Q1. Which among the following term refers to a central computer that holds collections of data and programs for many PCs, workstations and other computers?
(a) Supercomputer
(b) Minicomputer
(c) Laptop
(d) Server
(e) Mainframe
Ans. (d)
Sol. Server is a centralised system.
Q2. Keyboards, scanners, and microphones are examples of __________.
(a) software programs
(b) input devices
(c) output devices
(d) utilities
(e) None of these
Ans. (b)
Sol. They all are input devices.
Q3. Which among the following operation relates to a set of computers connected to a LAN?
(a) They can process faster
(b) Main purpose is to go on line
(c) They can now share information and/or share peripheral equipment
(d) Sole purpose of sending/receiving E-mail
(e) They can only manage ROM
Ans. (c)
Sol. LAN connection allows computers to share information and/or share peripheral equipment.
Q4. Which among the following term is related to the collection of links throughout the Internet that creates an interconnected network?
(a) WWW
(b) Web
(c) World Wide Web
(d) All of the above options
(e) Wide Area Web
Ans. (d)
Sol. Except Wide Area Web all other terms are related to the given context.
Q5. In latest generation computers, the instructions are executed:
(a) Parallel only
(b) Sequentially only
(c) Both sequentially and parallel
(d) Partially
(e) All of the above
Ans. (c)
Sol. Instructions in computers are executed both in parallel and sequentially.
Q6. The ability of a system to support more than one processor can be termed as _________.
(a) sequential access
(b) reduced instruction set computing
(c) multiprocessing
(d) disk mirroring
(e) None of these
Ans. (c)
Sol. Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system. The term also refers to the ability of a system to support more than one processor and/or the ability to allocate tasks between them.
Q7. What is included in an e-mail address?
(a) Domain name followed by user’s name
(b) User’s name followed by domain name
(c) User’s name followed by postal address
(d) User’s name followed by street address
(e) None of these
Ans. (b)
Sol. An email address consists of two parts, a local-part or user name and a domain-part separated by an “@” – in steve@example.com, steve is the local-part or user name and example.com is the domain-part.
Q8. Which of the following communications modes support two-way traffic but in only one direction of a time?
(a) simplex
(b) half-duplex
(c) three-quarters duplex
(d) All of the above
(e) None of these
Ans. (b)
Sol. Half Duplex support two-way traffic but in only one direction of a time. For example, a walkie-talkie is a half-duplex device because only one party can talk at a time. In contrast, a telephone is a full-duplex device because both parties can talk simultaneously.
Q9. Where are the files deleted from the hard disk sent to?
(a) recycle bin
(b) floppy disk
(c) clipboard
(d) motherboard
(e) None of these
Ans. (a)
Sol. Files deleted from the hard disk sent to the recycle bin.
Q10. Which number system is used by computers to store data and perform calculations?
(a) binary
(b) octal
(c) decimal
(d) hexadecimal
(e) None of these
Ans. (a)
Sol. Computers generally use binary number system.
Q11. A collection of unprocessed items is ________.
(a) information
(b) data
(c) memory
(d) reports
(e) None of these
Ans. (b)
Sol. Data is collection of unprocessed items.
Q12. Which of the following is a term for the process of trading goods over the Internet?
(a) e-selling-n-buying
(b) e-trading
(c) e-finance
(d) e-salesmanship
(e) e-commerce
Ans. (e)
Sol. Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
Q13. An example of a telecommunications device is a ________.
(a) keyboard
(b) mouse
(c) printer
(d) modem
(e) None of these
Ans. (d)
Sol. Modem is a telecommunication device.
Q14. An application where only one user accesses the database at a given time is an example of a(n) ________ .
(a) single-user database application
(b) multiuser database application
(c) e-commerce database application
(d) data mining database application
(e) None of these
Ans. (a)
Sol. Single-user mode allows only one connection to a database at a given moment in time.
Q15. A nibble is equal to _____________ bits.
(a) 16
(b) 32
(c) 4
(d) 8
(e) 18
Ans. (c)
Sol. A nibble =4 bits.
No comments:
Post a Comment