Computer Past Questions And Answers
491
Which of the memories must be refreshed many times per second?
- A. EPROM
- B. ROM
- C. Static RAM
- D. Dynamic RAM
492
| S/N | A | B | C | D |
| 1 | STOCK LIST OF TAYO OKEKE AS AT MAY 2014 | |||
| 2 | QUOTED STOCK | SHARE UNIT IN THOUSAND | CURRENT UNIT(#) | VALUE |
| 3 | TANZEL PLC | 44 | 50 | 2,200.000 |
| 4 | KAPTOL | 125 | 80 | #### |
| 5 | BANK KLM | 75 | 140 | #### |
| 6 | ARIX OIL | 10 | 250 | 2,500.00 |
| 7 | TOTAL VALUE | |||
- A. Column A
- B. Column B
- C. Column C
- D. Column D
493
The keyboard key combination ALT + F4 in microsoft windows will
- A. close active programmes
- B. open a file
- C. restart the computer
- D. Select two stages of booting from the following list
494
The largest component in a spreadsheet is?
- A. cell
- B. range
- C. workbook
- D. worksheet
495
The ASCII chart control characters using numeric codes ranging from?
- A. 0 to 124
- B. 0 to 125
- C. 0 to 127
- D. 0 to 128
496
One-millionth of a second is also referred to as
- A. nanosecond
- B. microsecond
- C. millisecond
- D. picosecond
497
(a) (i) Define computer virus.
(i) List three types of computer network security breach.
(b) State five sources of computer network security breach.
View Discussion (0)WAEC 2016 THEORY498
The three levels of programming language?
- A. assembly language, low level language and high level language,
- B. java, C language and pascal
- C. machine language low level language and high level language
- D. machine language, machine code and assembly language
499
Which of the following tasks is accomplished by using bookmarks? To
- A. add anchors in webpage
- B. add hyperlinks in webpage
- C. quickly jump to specific location in document
- D. mark the ending of a paragraph of a document
500
Which of these is a correct format of Email address?
- A) contact.website.info
- B) contactwebsite.info
- C) contact@website.info
- D) contact@website@info