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Computer Awareness

This test covers topics related to computer aptitute important for MCA Entrance prepration.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The '+' sign in Boolean algebra is used for representing which logical operation?

  1. AND
  2. OR
  3. NOT
  4. NOR
  5. NAND
Question 2 Multiple Choice (Single Answer)

What is the 1's complement of 110110?

  1. 001001
  2. 001000
  3. 101001
  4. 001011
  5. 011001
Question 3 Multiple Choice (Single Answer)

What of the following can be referred to as a lightweight process(LWP)?

  1. Socket
  2. Operating system
  3. Thread
  4. Kernel
  5. Inter-process communication
Question 4 Multiple Choice (Single Answer)

The address of a variable 'num', which is of type float is denoted by the variable _____________.

  1. *num
  2. &num
  3. float& num
  4. float num&
  5. *& num
Question 5 Multiple Choice (Single Answer)

Which of the following provides a path for the signals to travel in the form of light?

  1. Microwave transmission
  2. Bluetooth technology
  3. Coaxial cable
  4. Infrared rays
  5. Optical fiber
Question 6 Multiple Choice (Single Answer)

Which of these is not a characteristic of a computer?

  1. Speed
  2. Diligence
  3. Decision making
  4. Versatility
  5. Accuracy
Question 7 Multiple Choice (Single Answer)

Which of the following best describes 'paging'?

  1. Memory management scheme
  2. Disk scheme
  3. CPU utilization scheme
  4. Printer utilization scheme
  5. A scanner utilization scheme
Question 8 Multiple Choice (Single Answer)

Which of these is a measure of a computer's performance?

  1. Bandwidth
  2. FLOPS
  3. Baud rate
  4. Hertz
  5. Faraday
Question 9 Multiple Choice (Single Answer)

Which of these is the central component of an operating system?

  1. File System Management
  2. Device Drivers
  3. CPU
  4. Kernel
  5. System Utilities
Question 10 Multiple Choice (Single Answer)

In which data structure can the insertion and deletion of elements be done only from one end?

  1. Array
  2. Queue
  3. Stack
  4. Tree
  5. Graph
Question 11 Multiple Choice (Single Answer)

Which of the following is a set of data holding places that are part of a computer processor?

  1. RAM
  2. Cache memory
  3. Register
  4. ROM
  5. Flash memory
Question 12 Multiple Choice (Single Answer)

Which of these is false regarding static storage classes?

  1. Their scope may be local.
  2. Lifetime of a static variable is equal to the lifetime of the program.
  3. They retain their value even during multiple calls to a function.
  4. Static variables are stored in RAM.
  5. The default value of static variables is zero.
Question 13 Multiple Choice (Single Answer)

What is the operation of arranging the records in some logical order called?

  1. Traversing
  2. Searching
  3. Merging
  4. Sorting
  5. Inserting
Question 14 Multiple Choice (Single Answer)

Which of the following statements is false?

  1. 'If' block should always be associated with an 'else' block
  2. The default scope of the 'if' statement is only the next statement.
  3. '!' is a unary operator.
  4. Switch statement can be used for decision making.
  5. '&' and '&&' have different meanings.
Question 15 Multiple Choice (Single Answer)

What is the C++ concept of forming a new class from an existing class or base class called?

  1. Data abstraction
  2. Data encapsulation
  3. Inheritance
  4. Polymorphism
  5. Message passing
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