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BCA Computer System — practice questions

Explore 26 free Computer System questions in BCA Computer Science. Open each question or exercise to read its content, reference answers and available explanation.

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Computer System questions and exercises with answers

Showing questions 1–26 of 26.

A computer is described as an electronic device that can be:Read the answer and worked solution →A computer together with additional hardware and software is called a:Read the answer and worked solution →Devices that send control signals to a computer are termed:Read the answer and worked solution →A device that receives data from a computer for display is called an:Read the answer and worked solution →The CPU stores data and instructions in its local memory called:Read the answer and worked solution →A computer system uses which kind of numbers to store and process data?Read the answer and worked solution →Registers are described as being limited in size and:Read the answer and worked solution →A CPU may be placed on one or more microchips called:Read the answer and worked solution →Data entered through an input device is temporarily stored in which memory?Read the answer and worked solution →Data and instructions kept permanently for future use are stored in:Read the answer and worked solution →Primary memory is of how many types?Read the answer and worked solution →RAM is described as volatile, meaning its contents are lost when:Read the answer and worked solution →Software that operates a computer by interacting directly with its hardware is:Read the answer and worked solution →ROM is non-volatile, which means its contents are:Read the answer and worked solution →A very high speed memory placed between the CPU and primary memory is the:Read the answer and worked solution →Why does a cache reduce the average time to access data?Read the answer and worked solution →Software that works on top of the system software is termed:Read the answer and worked solution →Application software falls into how many broad categories?Read the answer and worked solution →RAM or ROMRead the answer and worked solution →Which part of the systemRead the answer and worked solution →Order the fetch and store cycleRead the answer and worked solution →Type the hardware termRead the answer and worked solution →System or application softwareRead the answer and worked solution →One word is wrongRead the answer and worked solution →Count the systemRead the answer and worked solution →Computer system bingoRead the answer and worked solution →

Worked practice questions

A computer is described as an electronic device that can be:

  1. Programmed
  2. Photographed
  3. Popularised
  4. Personalised
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Correct answer: A. Programmed

1. A computer is not merely a calculating machine. 2. What separates it is that its behaviour can be set by instructions. 3. A computer is an electronic device that can be programmed. 4. It accepts data, processes it and generates a result. _Source: syllabus Computer Science, Ch 1 'Computer System'_

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A computer together with additional hardware and software is called a:

  1. Computer sequence
  2. Computer system
  3. Computer session
  4. Computer schedule
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Correct answer: B. Computer system

1. The bare machine is only part of the picture. 2. Adding the surrounding hardware and software makes the whole. 3. A computer along with additional hardware and software is called a computer system. 4. So the answer is a computer system. _Source: syllabus Computer Science, Ch 1 'Computer System'_

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Devices that send control signals to a computer are termed:

  1. Input devices
  2. Ideal devices
  3. Idle devices
  4. Index devices
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Correct answer: A. Input devices

1. Data has to reach the machine before anything can be processed. 2. The devices that carry it in have their own name. 3. The devices through which control signals are sent to a computer are input devices. 4. A keyboard, mouse and scanner are the examples given. _Source: syllabus Computer Science, Ch 1 'Computer System'_

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