Selected MCQ

Current Question
The accuracy of the floating-point numbers represented in 16 two-bit words of a computer is approximately ____.
  • A. 16 Digit
  • B. 6 Digit
  • C. 9 Digit
  • D. All of these
Correct Answer: B
Explanation:
16-bit floating point gives approximately 6 digits of accuracy.
Related Question 1
A single point on a computer screen is called ____.
  • A. Cell
  • B. Bit
  • C. Pixel
  • D. Element
Correct Answer: C
Explanation:
A pixel (Picture Element) is the smallest unit on a display.
Related Question 2
Basic unit of a computer spreadsheet in which you enter text and numbers is known as ____.
  • A. Workbook
  • B. Column
  • C. Row
  • D. Cell
Correct Answer: D
Explanation:
The basic unit is a cell.
Related Question 3
____ is a high-speed point-to-point channel for attaching a graphics card to a computer’s motherboard, primarily to assist in the acceleration of 3D computer graphics.
  • A. Graphic Card
  • B. Accelerator Card
  • C. AGP
  • D. NVIDIA Graphic
Correct Answer: C
Explanation:
AGP is the dedicated high-speed slot for graphics cards.
Related Question 4
Computers, which combine both measuring and counting, are called ____.
  • A. Analog
  • B. Digital
  • C. Hybrid
  • D. All of these
Correct Answer: C
Explanation:
Hybrid computers combine features of both analog and digital computers.
Related Question 5
Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are ____.
  • A. Mainframe computers
  • B. Supercomputers
  • C. Hybrid computers
  • D. Desktop computers
Correct Answer: A
Explanation:
Mainframe computers are designed for high-volume data processing in large organizations.