Which of the following options is not a similarity between computer file and manual file? Both can
- A. be accessed
- B. be retrieved
- C. store multimedia
- D. contain information
The file access method shown in Figure 12 is called
- A. hashed access
- B. indexed access
- C. random access
- D. sequential access
To prevent unforeseen data loss, a user must
- A. edit the data
- B. create the data
- C. backup the data
- D. defragment the data
The binary number 0.1101 in decimal is
- A. 0.8125
- B. 0.8215
- C. 0.8225
- D. 0.8512
Evaluate 10011\(_2\) – 1111\(_2\)
- A. 00010\(_2\)
- B. 00100\(_2\)
- C. 01000\(_2\)
- D. 10000\(_2\)
A single character in an EBCDIC encoding system can be represented using
- A. 4 bits
- B. 6 bits
- C. 8 bits
- D. 16 bits
The part of the computer system shown in Figure 11 is used to
- A. perform memory test
- B. power on or off the computer
- C. print a document from the computer
- D. reset the computer to factory setting
Changing the default settings or appearance of the Taskbar in windows by a user is known as
- A. customization
- B. designing
- C. generalization
- D. globalization
The windows shortcut key for closing an active application is
- A. Alt+F4
- B. Ctrl+Alt+Del
- C. Ctrl+Esc.
- D. Ctrl+Shift+Del
The screen background where icons and windows are displayed is GUI is called
- A. explorer
- B. desktop
- C. opening screen
- D. homepage
What type of relationship can you deduce from the statement a department has many employees?
- A. One-to-one
- B. One-to-many
- C. Many-to-many
- D. Many-to-one
The part of the MS Word interface labelled II in Figure 10 is called
- A. Read mode
- B. Print Layout
- C. Proofing error
- D. Web layout
Which of the following formulas will display the current seconds past the minute os the clock in MS Excel?
- A. =MINUTES()
- B. =MINUTES(NOW())
- C. =MINUTE(YEAR())
- D. =MINUTES(HOUR(NOW()))
The part of the MS Access interface labelled X in Figure 9 is called
- A. Report view
- B. Report wizard
- C. Query design
- D. Query view
The figure 2 in the number 1101\(_2\) is indicated in MS Word using a feature called
- A. superscript
- B. subscript
- C. root
- D. exponentiation
The part of the graphic interface in Figure 8 labelled V is called
- A. pan
- B. zoom in
- C. zoom out
- D. fit to window
In MS Excel, the cell that contains the pointer or cursor is called
- A. active cell
- B. current cell
- C. default cell
- D. passive cell
The type of network represented in Figure 7 is called
- A. LAN
- B. MAN
- C. PAN
- D. WAN
Which of the following statements about URL is true? It is
- A. a computer software program
- B. a type of web server
- C. an acronym for unlimited resources for learning
- D. the address of document or 'page' on the world wide web
The “/exams”in the web address; https;//www.waec.org.ng/exams is called
- A. domain name
- B. path
- C. port
- D. subdomain
In Figure 6 the signals from modem X to modem Y is
- A. analogue
- B. digital
- C. imaginary
- D. aperiodic