Computer Past Questions And Answers
The conversion of 110012 to base 10 equals_______
- A. 30
- B. 28
- C. 25
- D. 20
Which of the following is a valid e-mail address?
- A. www.itbeginswithu.org
- B. waeconline@yahoo.co.uk
- C. www.waeconline.org
- D. www.fine.gov.ng
To determine if a computer has the ability to think, a test was conducted named as
- A. Turing test
- B. Computation test
- C. Teletype test
- D. Interrogator test
(a) What is: (i) an array; (ii) a syntax error?
(b) Write QBASIC program that will input multiples of Three between 1 and 20 into a one-dimensional array and display the output on the screen.
(c) Convert D5FA,, to binary.
View Discussion (0)WAEC 2018 THEORY| INPUT | OUTPUT | |
| P | O | R |
| 0 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 0 |
- A. NOT logic gate
- B. NOR logic gate
- C. AND logic gate
- D. NAND logic gate
An action performed in the GUI operating systems to hide a window but keep the program running in the background is ?
- A. hide
- B. multitasking
- C. minimize
- D. maximize
Which of the following software can't be categorized as an application software?
- A. DBM
- B. MS-DOS
- C. Spreadsheet
- D. word processor
The device through which the main components of the computer communicate with each other is called?
- A. keyboard
- B. memory
- C. light pen
- D. system bus
Which doesn't belong to the group?
- A. Flash drive
- B. Floppy disk
- C. Compact disk
- D. Memory unit
The octal fraction 0.65 converts to binary as
- A. 0.110011
- B. 0.110101
- C. 101101
- D. 101101

