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Laptop PCs can be transported easily and used in many locations, but are
more expensive than a standard PC.
02. What benefits can be gained from using a network server?
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A network server stores data in a central location, allowing access
across the network
03. What type of computer would a multi-national bank tend to use?.
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A multi-national bank would probably use a mainframe computer
04. What is a scanner used for?
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To printed scan images to the computer or A scanner converts printed
text or pictures into a format recognised by the computer.
05. Explain the term output device?
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Hardware: monitor, keyboard, mouse, CD-ROM drive, printer.
06. Name a device that is both input and output
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A touchscreen, CD ROM or modem can be classed as both an input and
output device.
07. Explain the meaning of the term CPU.
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CPU
stands
for Central Processing Unit. It processes information inside a computer.
08. How does a CPU speed measured?
09. List some of the main input devices.
Some of the main input devices are: keyboard, mouse, touchpad, trackball, joystick, graphics tablet and light pen, scanner, digital camera, CD ROM and microphone (also touch screen and modem).
10. List some of the main output devices
Some of the main output devices are: monitor, speakers, speech synthesizer, printer, plotter (also touchscreen and modem), CD ROM
Close
Top plot maps , designs and diagrams,
technical
drawings, or architectural/engineering plans
12. What is the smallest unit of computer memory?
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Bit
13. What is resolution?
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The picture quality of a computer is known as resolution. Larger screens
also provide a better quality picture.
14. What is Hardware?
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Hardware is a physical part of the computer. Software is the term used
for the programs that allow you to use the computer.
15. What is the use of Modem?
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A modem allows connection to the Internet/e-mail via the telephone line.
16. Give examples for Hardware?
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Monitor, keyboard, mouse, CD-ROM drive, printer, Mother Board.
17. Give examples for Software?
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Spreadsheet application, word processor, database management system,
operating system, games?
18. What does PC stand for?
19. What is the difference of Hardware and Software?
20. What does ICT stand for?
ICT stand for Information and Communication Technology. Whichrefers to the electronic storage, processing or transfer of information.
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PDA is called Personal Digital Assistant is a palm held computer, has
less features than a standard PC.
22. What are the main parts of a PC?
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The main parts of a PC are the keyboard, the monitor, the mouse, the
Central Processing Unit, the Hard Disk Drive, the Floppy Disk Drive, the CD-ROM
drive, speakers and possibly a modem
23. What are Removable storage devices?
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Removal storage devices are floppy disk, CD or zip drive, or a tape
storage cartridge.
24. What are peripheral devices ?
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A peripheral device is a piece of equipment that is attached to the
computer, e.g. printer or scanner.
25. What is Clock Speed?
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Clock speed is the speed at which the CPU can process information.
26. What is a microprocessor?
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A microprocessor is a CPU built on a single chip.
27. What is an input device?
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An input device allows information to be entered into the computer.
28. How does a CPU speed measured?
29. List some of the main input devices.
Some of the main input devices are: keyboard, mouse, touchpad, trackball, joystick, graphics tablet and light pen, scanner, digital camera, CD ROM and microphone (also touch screen and modem).
30. List some of the main output devices
Some of the main output devices are: monitor, speakers, speech synthesizer, printer, plotter (also touchscreen and modem), CD ROM
Close
Large capacity hard disks can store vast amounts of data and access it
more quickly than smaller ones.
32. Describe the benefits and disadvantages of standard CD-ROM, CD-RW and DVD as storage media.?
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CDs can store a lot of data, but cannot be overwritten or updated. CD-RW
disks allow data to be added at a later date, but are more expensive than read
only disks. DVDs have larger storage space than CDs and are more expensive.
33. Why is RAM so important?
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RAM must be present for processing to take place. It is where the
software in use stores all its information.
34. What is the difference between RAM and ROM?
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RAM is a temporary store for information and anything in it is lost when
the computer is switched off. ROM is a permanent store for information that can
only be read by the CPU. It cannot be manipulated or changed and is not lost
when the computer is switched off.
35. How many bits are in a byte?
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There are 8 bits in a byte.
36. How many Megabytes are in a Gigabyte?
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There are 1024 Mb in a Gigabyte.
37. What can happen if you have lots of applications open at the same time?
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The computer’s performance may be reduced.
38. How is computer memory measured?
39. List the main types of memory storage devices.
Some of the main input devices are: keyboard, mouse, touchpad, trackball, joystick, graphics tablet and light pen, scanner, digital camera, CD ROM and microphone (also touch screen and modem).
40. A hard disk costs much more than a CD, but it can store much more data.
A hard disk costs much more than a CD, but it can store much more data and read write possible.
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