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Computer Aptitude

INPUT SYSTEM MCQs

Total Questions : 85 | Page 3 of 9 pages
Question 21.

It temporary holds the data received from input device

  1.    keyboard
  2.    memory
  3.    processing unit
  4.    file
  5.    fine  None of these
 Discuss Question
Answer: Option B. -> memory
When data is entered through an input device like a keyboard, it is temporarily held in memory until it can be processed by the processing unit. Memory, also known as RAM (Random Access Memory), is a volatile type of computer storage that can be accessed randomly and stores data and instructions required by the CPU (Central Processing Unit).
Here are some relevant definitions and formulas related to memory:
  • Memory is a hardware component of a computer system that stores data and instructions.
  • RAM (Random Access Memory) is a type of memory that can be accessed randomly, meaning any byte of memory can be accessed without touching the preceding bytes.
  • Volatile memory requires a power source to hold data, meaning that data is lost when power is turned off.
  • Memory capacity is measured in bytes, kilobytes, megabytes, gigabytes, or terabytes.
  • Memory speed is measured in nanoseconds (ns) or megahertz (MHz).
In summary, memory temporarily holds the data received from input devices until it can be processed by the CPU. This is an essential part of the computer system because it enables the computer to perform tasks and store data that can be accessed quickly.
Question 22.

The physical arrangement of element s as input, output and processing devices grouped together represent a

  1.    Mobile devic
  2.    information processing cycle
  3.    circuit board
  4.    computer system
  5.    None of these
 Discuss Question
Answer: Option D. -> computer system
Question 23.

What type of computer could be found in a digital watch?

  1.    Mainframe computer
  2.    Super computer
  3.    Embedded computer
  4.    All of these
  5.    None of these
 Discuss Question
Answer: Option E. -> None of these
Question 24.

Which is not a basic function of a computer?

  1.    Copy text
  2.    Accept inpu
  3.    Process data
  4.    Store data
  5.    None of these
 Discuss Question
Answer: Option A. -> Copy text
Question 25.

The contents of ....... are lost when the computer turns off.

  1.    storage
  2.    input
  3.    output
  4.    memory
  5.    None of these
 Discuss Question
Answer: Option A. -> storage
Question 26.

These are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat

  1.    servers
  2.    embedded computers
  3.    robotic computers
  4.    mainframes
  5.    None of these
 Discuss Question
Answer: Option B. -> embedded computers
Question 27.

It is the set of programs that enables your computer’s hardware devices and application software to work together

  1.    management
  2.    processing
  3.    utility
  4.    system software   
  5.    None of these
 Discuss Question
Answer: Option D. -> system software   
Question 28.

The most frequently used instructions of a computer program are likely to be fetched from

  1.    hard  disk
  2.    cache memory
  3.    RAM 
  4.    Registers
  5.    None of these
 Discuss Question
Answer: Option B. -> cache memory
Question 29.

The components that process data are located in the

  1.    input devices 
  2.    output devices
  3.    system unit
  4.    storage component
  5.    None of these
 Discuss Question
Answer: Option C. -> system unit
Question 30.

Which type of data has been organised or presented in a meaningful fashion?

  1.    A process
  2.    Software
  3.    Storage
  4.    information
  5.    Hardware
 Discuss Question
Answer: Option D. -> information

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