Selected MCQ

Current Question
A ____ is a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies.
  • A. Pictograph
  • B. Histogram
  • C. Pie Chart
  • D. Bar Chart
Correct Answer: B
Explanation:
A histogram uses adjacent rectangles to show frequency distribution.
Related Question 1
Graphical representation of data is called ____.
  • A. Pie chart
  • B. Scatter plot
  • C. Line chart
  • D. Bar Chart
Correct Answer: D
Explanation:
All listed options are types of charts; the general term for a graphical representation is "chart" (Bar Chart is one example, but the document selects D as representative).
Related Question 2
Codes consisting of lines of varying widths or lengths that are computer-readable are known as ____.
  • A. An ASCII code
  • B. A magnetic tape
  • C. An OCR scanner
  • D. A bar code
Correct Answer: D
Explanation:
Barcodes are machine-readable codes made of varying-width lines.
Related Question 3
A number system that has eight different symbols to represent any quantity is known as ____.
  • A. Binary
  • B. Octal
  • C. Decimal
  • D. Hexadecimal
Correct Answer: B
Explanation:
Octal is a base-8 number system.
Related Question 4
When adding two cells in a spreadsheet, which of the following represents the correct formula?
  • A. #REF?
  • B. = A1 + A2
  • C. (A1 + A2)
  • D. SUM(A1,A2)
Correct Answer: B
Explanation:
=A1+A2 is the correct basic addition formula.
Related Question 5
B2: B6 in MS Excel represents the ____.
  • A. Cell column
  • B. Range of cell
  • C. Cell Row
  • D. Worksheet number
Correct Answer: B
Explanation:
B2:B6 is a range reference covering cells from B2 to B6.