Computer Past Questions And Answers
A cell with a red triangle in the top-right comer in a spreadsheet application signifies?
- A. an error in the cell.
- B. a comment associated with the cell.
- C. that the font colour for the text in the cell is red.
- D. that a formula cannot be entered into the cell.
What is debugging?
- A. Preventing bugs from getting to the computer
- B. inserting errors into the program
- C. finding and removing errors from a computer
- D. finding and removing errors from a program
When does the output of a NOR gate =0?
- A. whenever 0 is present at input
- B. only when all input =0
- C. whenever 1 is present at input
- D. only when all input =1.
The Internet is an example of which computer network?
- A. LAN
- B. MAN
- C. CAN
- D. WAN
The closest computer language to human is ?
- A. High level language
- B. Low level language
- C. Machine language
- D. Assembly language
The first stage of data processing activities is ?
- A. Manipulation
- B. Collection
- C. Conversion
- D. Sorting
Which of the following stages of the SDLC is post operational stage?
- A. Analysis
- B. Design
- C. Investigation
- D. Maintenance
Which of these is a correct format of IP address?
- A) 192.168.1.1
- B) 192.168.111.1111
- C) 192.168.900.1
- D) 192.900.168.1
The similarities between main memory and registers is that they are: I volatile Il under the direct control of the user ll protected by the system unit lIV for system use only?
- A. I, II and IV only
- B. I, Ill and IV only
- C. II, Ill and IV only
- D. I, I, Ill and IV
The common features of formula and function in spread- sheet are:
-Entry is preceded by = or + symbol I.
- They have fixed formats
- They operate with cell addresses
- Their results are displayed.
Which of the following options is/are true?
- A. I, II, III
- B. I, III, IV
- C. II, III, IV
- D. I, II, III, IV