a) Hardware devices found inside the computer’s system unit
- The CPU (Central Processing Unit) controls the processing of instructions.
- Hard Disk: It is a storage device inside the computer
- C.D/DVD Drive: It is a device that is used to read data from the CD or DVD
- Memory card (RAM): It is the physical memory inside the computer and is used to store
data temporarily.
- Sound and video card: The sound card enables the computer to output the sound to the
audio devices and video card controls the display of the computer screen
b) Classifications of Printers Based on their Technology
Dot matrix printers: Form characters from a matrix of dots produced by columns of pins in the
printing heard.
Ink Jet Printers. Print one character at a time,They form characters on paper by spraying in
from the tiny nozzles through an electrical field that arranges them to form characters on paper.
Band Printers. They utilize horizontal relating band containing characters and few harmers. The
characters are stripped by the hammer situated below the paper and the ribbon to create a line of
print.
Drum printers: Has a complex set of character engraved around circumference of each of the
printing position of the dram. The number of printing position across the drum equals the number
of position available across the page.
Kavungya answered the question on May 13, 2019 at 12:56
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a) Explain the two main reasons why the following types of memory are used for certain
functions in a computer:
i. Random access memory (RAM).
ii. Read only...
(Solved)
a) Explain the two main reasons why the following types of memory are used for certain
functions in a computer:
i. Random access memory (RAM).
ii. Read only memory (ROM).
b) Identify three local area network (LAN) connecting devices.
c) Distinguish between "serial" and "parallel" processing.
d) Briefly explain three benefits of secondary storage.
Date posted:
May 13, 2019
.
Answers (1)
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Describe the following characteristics of computer "memory
i. Mutability
ii. Accessibility
iii. Addressability
iv. Volatility
(Solved)
Describe the following characteristics of computer "memory
i. Mutability
ii. Accessibility
iii. Addressability
iv. Volatility
Date posted:
May 13, 2019
.
Answers (1)
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a. (i) Explain the use of two equipment’s used during videoconferencing,
(ii) Highlight two advantages of videoconferencing to an organisation.
b. Briefly describe the following types of...
(Solved)
a. (i) Explain the use of two equipment’s used during videoconferencing,
(ii) Highlight two advantages of videoconferencing to an organisation.
b. Briefly describe the following types of computer hardware:
i. Video graphic array splitter.
ii. System unit.
iii. Universal serial bus port.
Date posted:
May 13, 2019
.
Answers (1)
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Describe four output devices that could be found in a television broadcasting station
(Solved)
Describe four output devices that could be found in a television broadcasting station
Date posted:
May 13, 2019
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Answers (1)
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(i) Defme the term “optical storage media”.
(ii) Explain four types of optical storage media.
(Solved)
(i) Defme the term “optical storage media”.
(ii) Explain four types of optical storage media.
Date posted:
May 13, 2019
.
Answers (1)
-
Explain the following computer hardware and software specifications:
i. Intel ® Core (TM) is 650@ 3.20 GHz 3.33GHz
ii. 2.00GB (1.87 GB usable)
iii. TFT 17” Lenovo.
(Solved)
Explain the following computer hardware and software specifications:
i. Intel ® Core (TM) is 650@ 3.20 GHz 3.33GHz
ii. 2.00GB (1.87 GB usable)
iii. TFT 17” Lenovo.
Date posted:
May 13, 2019
.
Answers (1)
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Define the term "primary storage" in the context of computing.
(Solved)
Define the term "primary storage" in the context of computing.
Date posted:
May 13, 2019
.
Answers (1)
-
While reading a computer magazine, Mr. Luka Ongeri came across the following
specification of a personal compiler (PC) system: ¦**
"Pentium IV 3.0 GHZ, 1GB RAM, 150...
(Solved)
While reading a computer magazine, Mr. Luka Ongeri came across the following
specification of a personal compiler (PC) system: ■**
"Pentium IV 3.0 GHZ, 1GB RAM, 150 GB LID and 17" TFT Monitor".
Explain the meaning of the above specification.
Date posted:
May 13, 2019
.
Answers (1)
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a) Describe three types of computers according to their structure speed and architecture.
b) Briefly explain the purpose of each of the following elements of a...
(Solved)
a) Describe three types of computers according to their structure speed and architecture.
b) Briefly explain the purpose of each of the following elements of a computer system:
i) The system bus.
ii) The motherboard.
iii) The video card.
Date posted:
May 13, 2019
.
Answers (1)
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a) A computer was purchased with the following specification
Required:
Match the appropriate letter with the corresponding description of the computer above:
i. Operating system
ii. Main memory.
iii. Optical...
(Solved)
a) A computer was purchased with the following specification
Required:
Match the appropriate letter with the corresponding description of the computer above:
i. Operating system
ii. Main memory.
iii. Optical storage.
iv. Secondary storage.
b) Using the information provided in (a) above state the following:
i) Size of the monitor
ii) Processor speed
iii) Type of hard drive interface.
iv) Meaning of "RW" in specification D
Date posted:
May 13, 2019
.
Answers (1)
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Describe four characteristics of fifth generation computers.
(Solved)
Describe four characteristics of fifth generation computers.
Date posted:
May 13, 2019
.
Answers (1)
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Write the following acronyms in full:
i. HDD.
ii. Kbps.
iii. HDMI
iv. P2P
(Solved)
Write the following acronyms in full:
i. HDD.
ii. Kbps.
iii. HDMI
iv. P2P
Date posted:
May 13, 2019
.
Answers (1)
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(i) Describe the specific technological developments in each of the five computer generations,
(ii) Highlight three devices that contributed towards evolution of computers
(Solved)
(i) Describe the specific technological developments in each of the five computer generations,
(ii) Highlight three devices that contributed towards evolution of computers
Date posted:
May 13, 2019
.
Answers (1)
-
Briefly describe five characteristics of computer memory
(Solved)
Briefly describe five characteristics of computer memory
Date posted:
May 13, 2019
.
Answers (1)
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Briefly describe the concepts of downsizing as used in computer technology.
(Solved)
Briefly describe the concepts of downsizing as used in computer technology.
Date posted:
May 13, 2019
.
Answers (1)
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Information communication technology (ICT) can be categorized into two broad
(Solved)
Information communication technology (ICT) can be categorized into two broad
products; traditional computer-based technologies and digital data communication
technologies.
Required
i. Using suitable examples highlight six traditional office applications of ICT.
ii. Briefly describe three specialized applications of ICT.
iii. Differentiate between "internal networks" and "external networks" as used in digital data
communication.
Date posted:
May 13, 2019
.
Answers (1)
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(i) Briefly explain four approaches to computing in an organisation
(ii) Give one advantage and one disadvantage of each of the approaches explained in (b) (i)
above
(Solved)
(i) Briefly explain four approaches to computing in an organisation
(ii) Give one advantage and one disadvantage of each of the approaches explained in (b) (i)
above
Date posted:
May 13, 2019
.
Answers (1)
-
Demonstrate briefly how introduction of information technology could affect the following:
i. Products and services
ii. Production economics.
iii. Buyers.
iv. Suppliers.
v. Substitute products.
vi. Competitors.
(Solved)
Demonstrate briefly how introduction of information technology could affect the following:
i. Products and services
ii. Production economics.
iii. Buyers.
iv. Suppliers.
v. Substitute products.
vi. Competitors.
Date posted:
May 13, 2019
.
Answers (1)
-
Outline five methods of entering data into a computer system
(Solved)
Outline five methods of entering data into a computer system
Date posted:
May 13, 2019
.
Answers (1)
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(i) Define the term "computerisation"'
(ii) Identify four benefits of computerisation to an organisation.
(Solved)
(i) Define the term "computerisation"'
(ii) Identify four benefits of computerisation to an organisation.
Date posted:
May 13, 2019
.
Answers (1)