Worksheet Introduction to Computer System
Choose the correct option
Which device was an early mechanical calculator?
- A) ENIAC
- B) Abacus
- C) The Analytical Engine
- D) UNIVAC
Who is known as the father of modern computing?
- A) Charles Babbage
- B) Blaise Pascal
- C) Alan Turing
- D) John von Neumann
Which component is known as the ‘brain’ of the computer?
- A) RAM
- B) CPU
- C) Hard Drive
- D) Motherboard
Which of the following is NOT a component of the motherboard?
- A) Chipset
- B) Keyboard
- C) BIOS
- D) Expansion Slots
Which device is used to display the output from a computer?
- A) Scanner
- B) Printer
- C) Monitor
- D) Keyboard
What is the function of a computer mouse?
- A) Input
- B) Output
- C) Processing
- D) Storage
Which memory is faster and normally used as the main memory?
- A) ROM
- B) RAM
- C) Hard Disk
- D) CD-ROM
Which of the following is an example of secondary memory?
- A) Flash memory
- B) SSD
- C) DVD
- D) All of the above
What unit is used to measure the speed of a processor?
- A) Hertz
- B) Watts
- C) Bytes
- D) Decibels
Which type of software is used to control hardware and software resources?
- A) System software
- B) Application software
- C) Development software
- D) Utility software
What is the smallest unit of memory?
- A) Bit
- B) Byte
- C) Kilobyte
- D) Megabyte
What happens when data is deleted from a hard drive?
- A) Data is immediately removed
- B) Data is overwritten
- C) Data remains until overwritten
- D) Data is moved to the cloud
Which software is specifically designed for a dedicated task?
- A) Generic software
- B) Specific software
- C) System software
- D) All-purpose software
Which of the following is not an input device?
- A) Keyboard
- B) Mouse
- C) Monitor
- D) Microphone
How is ROM different from RAM?
- A) ROM is volatile
- B) RAM is non-volatile
- C) ROM retains data without power
- D) RAM is used for long-term storage
What is the primary function of application software?
- A) To manage computer resources
- B) To perform specific user tasks
- C) To connect to the internet
- D) To cool down the CPU
Which of these is a way to recover deleted files?
- A) Formatting the disk
- B) System restore
- C) Defragmenting the disk
- D) Overwriting the files
Which memory type is primarily used for permanent storage?
- A) Cache memory
- B) ROM
- C) RAM
- D) Register
Which of the following is an output device?
- A) Keyboard
- B) Mouse
- C) Speaker
- D) Scanner
What is the purpose of utility software?
- A) To perform entertainment functions
- B) To manage, maintain and control computer resources
- C) To create text documents
- D) To browse the internet
ANSWER THE FOLLOWING QUETIONS
- Explain the interconnections between the major components of a computer system.
- Discuss the differences between system software and application software with examples.
- Describe the process of data recovery and the security concerns associated with deleting data.
- Explain how input and output devices are integral to the functioning of a computer system.