Qwerty: it is one of the standard computer keyboards, with the character Q, W, E, R, T and Y on the top row of letters.
Query: A request for information from database.
Simplex: Transmission of date in one direction.
Shell: A shell is an outer layer of a program that provides that user interface or the way of instruct the computer.
Pseudo code: It is short hand way of describing a computer program.
Router: A network device that enables the network to reroute messages it receives that are intended for other networks. The network with the router receives the message and sends it n its way exactly as received. In normal operations, they do not store any of the messages that they pass through.
SHORT QUIZ ON COMPUTER
1. Which of the following is not true about RAM?
(i) RAM is a temporary storage area
(ii) RAM is the same as hard disk storage
(iii) RAM is volatile
(iv) Information stored in RAM is gone when we turn off the computer.
Answer: (ii)
2. The ………. Enables your computer to connect to other computer.
(i) Video card
(ii) Sound Card
(iii) Network Interface Card (NIC)
(iv) Controller Card.
Answer: (iii)
3. Data representation is based on the ……….number system, which uses two numbers to represent all data.
(i) Binary
(ii) Bio-metric
(iii)Bicentennial
(iv) Byte
Answer: (i)
4. A (n) ……………… area is a small group of computers and peripherals linked together in a small geographic area.
(i) MAN
(ii) PAN
(iii) CAN
(iv) LAN
Answer: (iv)
4. Hackers
(i) all have the same motive
(ii) is another name of users
(iii) many legally break into computers as long as they do not do any damage.
(iv) break into other people’s computer.
Answer: (iv)
5. The …………. Manual tells you how to use a software programs.
(i) documentation
(ii) programming
(iii) technical
(iv) user
Answer: (iv)
6. Data on a floppy disk is recorded in rings called
(i) sectors
(ii) ringers
(iii) rounders
(iv) trackers
Answer: (iv)
7. Which of the following storage media provides sequential access only?
(i) Floppy disk
(ii) Magnetic disk
(iii) Magnetic tape
(iv) Optical disk
Answer: (iii)
8. The most common input devices include
(i) monitor and keyboard
(ii) monitor and mouse
(iii) mouse and keyboard
(iv) printer and mouse.
Answer: (iii)
9. Compilers and translators are one form of
(i) ROM
(ii) RAM
(iii) hard disk
(iv) software
Answer: (iv)
10. when working in the page break preview, you can
(i) view exactly where each page break occurs
(ii) add or remove page breaks
(iii) change the print area
(iv) all of the above
Answer: (iv)
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