Get premium membership and access questions with answers, video lessons as well as revision papers.
- Some of the students in the school use the computer to do homework. Name the
package used to:
(i) Do calculations and draw graphs
(ii) Write an essay
(iii)...(Solved)
Some of the students in the school use the computer to do homework. Name the
package used to:
(i) Do calculations and draw graphs
(ii) Write an essay
(iii) Make a poster
Date posted: June 14, 2022.
- Which input device is only used for playing games?(Solved)
Which input device is only used for playing games?
Date posted: June 14, 2022.
- Explain the following terms as used in computer science
(i) Data
(ii) Program
(iii) Data processing
(iv) Information(Solved)
Explain the following terms as used in computer science
(i) Data
(ii) Program
(iii) Data processing
(iv) Information
Date posted: June 14, 2022.
- The computer specification has the following details:
- Intel core i7-6500u (2.5Ghz)
- 8GB RAM, 1TB Sata Drive (HDD)
- 15.6” anti-glare display
- Windows 10
- Full multimedia
- 1...(Solved)
The computer specification has the following details:
- Intel core i7-6500u (2.5Ghz)
- 8GB RAM, 1TB Sata Drive (HDD)
- 15.6” anti-glare display
- Windows 10
- Full multimedia
- 1 year warranty
(a) Explain the meaning of the above terms
i. Intel core i7-6500u (2.5Ghz):
ii. 8GB RAM, :
iii. 1TB Sata Drive (HDD):
iv. 15.6” anti-glare display:
v. Windows 10:
vi. 1 year warranty:
(b) List four multimedia components that the above computer may have.
Date posted: July 23, 2021.
- The hierarchical system represented below shows how a school organizes its files. Study it and answer the questions below.
a) The directory Y3 has the following...(Solved)
The hierarchical system represented below shows how a school organizes its files. Study it and answer the questions below.
a) The directory Y3 has the following files: Department.doc, campus.xls and Logo.pub Write down the path of accessing the Logo.pub file.
b) The directory hostel has the following files: Student.mdb Write down the path of accessing the Student.mdb file.
c) Draw a tree representation of the above diagram including the files mentioned in part (a) and (b).
Date posted: July 23, 2021.
- The picture below shows an external part of a magnetic storage device.
i. What is the name of the device?
ii. Identify the parts labeled A, B...(Solved)
The picture below shows an external part of a magnetic storage device.
i. What is the name of the device?
ii. Identify the parts labeled A, B and C respectively.
iii. Other than this (i), name other four magnetic storage media that you know.
Date posted: July 23, 2021.
- Study the images below and use them to answer the question that follow.
Identify the types of system units displayed above respectively.
(Solved)
Study the images below and use them to answer the question that follow.
Identify the types of system units displayed above respectively.
Date posted: July 23, 2021.
- Identify the devices labeled A and B.(Solved)
Identify the devices labeled A and B.
Date posted: July 23, 2021.
- Identify the printers that have been described below.
i) Faster because of few movable parts.
ii) Produce noise because of striking activity.
iii) Printed copy must be left...(Solved)
Identify the printers that have been described below.
i) Faster because of few movable parts.
ii) Produce noise because of striking activity.
iii) Printed copy must be left for some time to dry up or the information could be partly erased or distorted with smudges.
Date posted: July 23, 2021.
- The diagram below shows coded data that could be input into a computer.
(i) Name the device that can be used to input the above data.
(ii)...(Solved)
The diagram below shows coded data that could be input into a computer.
(i) Name the device that can be used to input the above data.
(ii) Where would the above method of input be applied?
(iii) For the application you have given above (b)(ii), state TWO kinds of information that this type of input may contain.
Date posted: July 23, 2021.
- What is the name given to the device used to capture data directly from the source document such as a printout.(Solved)
What is the name given to the device used to capture data directly from the source document such as a printout.
Date posted: July 23, 2021.
- Identify the following types of RAM.
i) - It is a fast type of memory
- Holds its contents as long as there is...(Solved)
Identify the following types of RAM.
i) - It is a fast type of memory
- Holds its contents as long as there is power
- Does not require refreshing
ii) - It is a slow type of memory
- It frequently requires refreshing to maintain its data usage
Date posted: July 23, 2021.
- State the functions of the following keys.
A- Shift key
B- Enter key
C- Tab key(Solved)
State the functions of the following keys.
A- Shift key
B- Enter key
C- Tab key
Date posted: July 23, 2021.
- Name the keyboard keys represented by the symbols below.(Solved)
Name the keyboard keys represented by the symbols below.
Date posted: July 23, 2021.
- Joan wanted to transfer some data from a friend’s computer to VCD. How many VCD’s will she require to transfer 4,294,967,296 bytes if a single...(Solved)
Joan wanted to transfer some data from a friend’s computer to VCD. How many VCD’s will she require to transfer 4,294,967,296 bytes if a single VCD can hold up to 700MB of data?
Date posted: July 23, 2021.
- VCDs and a DVDs are examples of optical storage media.
Write in full the meaning of:
i. VCD
ii. DVD (Solved)
VCDs and a DVDs are examples of optical storage media.
Write in full the meaning of:
i. VCD
ii. DVD
Date posted: July 23, 2021.
- What substance or material normally cause clogging on the keyboard and therefore should not be carried to the lab?(Solved)
What substance or material normally cause clogging on the keyboard and therefore should not be carried to the lab?
Date posted: July 23, 2021.
- Below are functions of uninterruptible power supply Unit except one. Which one?
[A] Regulates power from unstable power source (i.e. mains) to a clean voltage
[B] Temporarily...(Solved)
Below are functions of uninterruptible power supply Unit except one. Which one?
[A] Regulates power from unstable power source (i.e. mains) to a clean voltage
[B] Temporarily provides power to the computer incase of sudden power failure.
[C] It can be used as the main power source
[D] Alerts the user when power goes off unexpectedly
Date posted: July 23, 2021.
- Give the name of a computer which is small in size, portable and convenient for mobile users.(Solved)
Give the name of a computer which is small in size, portable and convenient for mobile users.
Date posted: July 23, 2021.
- What was the major improvement in the fourth generation computers.(Solved)
What was the major improvement in the fourth generation computers.
Date posted: July 23, 2021.
- List and explain processes state(Solved)
List and explain processes state
Date posted: March 30, 2020.
- Convert the following binary number 1101.012 to decimal.(Solved)
Convert the following binary number 1101.012 to decimal.
Date posted: November 18, 2019.
- Perform the following binary arithmetic.
i) 111112 + 111112
ii) 110102 - 10102(Solved)
Perform the following binary arithmetic.
i) 111112 + 111112
ii) 110102 - 10102
Date posted: November 18, 2019.
- Convert the following hexadecimal number to its decimal equivalence 11116(Solved)
Convert the following hexadecimal number to its decimal equivalence 11116
Date posted: November 18, 2019.
- List the advantages of using an electronic database system for storage of data over the file approach.(Solved)
List the advantages of using an electronic database system for storage of data over the file approach.
Date posted: November 18, 2019.
- Define the following terms.
(i) Database management system.
(ii) Network database.(Solved)
Define the following terms.
(i) Database management system.
(ii) Network database.
Date posted: November 18, 2019.
- Describe the following database features
(i) Macros
(ii) Programming module(Solved)
Describe the following database features
(i) Macros
(ii) Programming module
Date posted: November 18, 2019.
- List three types of data integrity constraints that should be observed in a database(Solved)
List three types of data integrity constraints that should be observed in a database
Date posted: November 18, 2019.
- The diagram below shows a layout of computers networked to access the internet. Use the diagram to answer the questions that follow.(Solved)
The diagram below shows a layout of computers networked to access the internet. Use the diagram to answer the questions that follow.
i. Name and describe the purpose of the devices labeled A
ii. State two functions of the device labeled server
iii. Name any three transmission medias that can be used to transmit internet to the server .
iv. Explain any two challenges that can be faced by interior network user.
v. Name the network topology used above
Date posted: November 14, 2019.
- List two programs that can be used by Web Developers.(Solved)
List two programs that can be used by Web Developers.
Date posted: November 14, 2019.