The octal fraction 0.65 converts to binary as
- A. 0.110011
- B. 0.110101
- C. 101101
- D. 101101
Add 127\(_{16}\) to 50A\(_{16}\)
- A. 629\(_{16}\)
- B. 630\(_{16}\)
- C. 631\(_{16}\)
- D. 632\(_{16}\)
In number system ,base 16 is called ?
- A. hexadecimal
- B. decimal
- C. duodecimal
- D. octal
Select two stages of booting from the following list:
i. Power on Self Test;
ii. Loading of Operating System;
iii. Loading of e-mails;
iv. Start in safe mode.
iv. Save all active files
- A. I and II only
- B. I and III only
- C. II and IV only
- D. III and IV only
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
Deleted items in the computers are temporarily stored in the?
- A. memory unit
- B. processor
- C. recycle bin
- D. task manager
The pictorial representation of an object or application in the computer is called?
- A. diagram
- B. graphic
- C. Icon
- D. image
If A is in cell A1 and B is in Cell B1 of a worksheet in a spreadsheet application,write a formula to calculate
x= \(\frac{A^2 = B{^1/2}}{100}\)
- A. ((A1^2)+(B1^(1/2)))/100
- B. ((A1^2)+(B1^(1/2)))/100
- C. ((A1^2+(B1^(1/2))/100
- D. ((A1^2)+(B1^(1/2)))/100
What will be the result of writing the formula=year[now[][ + 3 in a worksheet,of a spread sheet,if the current calendar is 14 august ,1960?
- A. 17 august 196003
- B. 14 aug,1963
- C. 11 august,1963
- D. 1963
Which of the following operations will not run a slide show in MS PowerPoint?
- A. pressing F5
- B. pressing shift +f5
- C. choosing the slide show tab
- D. clicking on the slide show icon bar
The part of the Corel Draw window labelled II in the diagram above is called?
- A. zoom in
- B. pan
- C. zoom out
- D. zoom to fit
The shortcut key for the open dialog box in MS Word is ?
- A. Alt + F12
- B. Ctrl + F12
- C. F12
- D. shift + f12
One function of operating system is ?
- A. power supply allocation
- B. file corruption and deletion
- C. flowcharting
- D. resource allocation
The maximum length of a text field in MS Access is?
- A. 75
- B. 120
- C. 255
- D. 265
The type of transmission in the part labelled q in the diagram above is called
- A. broadcast
- B. full duplex
- C. half duplex
- D. simplex
In the URL https://waec.org.ng, the domain name is?
- A. waec.org.ng
- B. http://www.
- C. //www/.waec.
- D. org.ng.
what type of network is represented in the diagram above?
- A. local area network
- B. metropolitan area network
- C. personal area network
- D. wide area network
The signals from Ato modem X in the diagram above are
- A. analogue
- B. digital
- C. electrons
- D. protons
The protocol used for email transmission is known as ?
- A. HTTP
- B. DHCP
- C. IP
- D. SMTP
The virtual communication platform where many people keep in contact with family and friends is known as
- A. microsoft visio
- B. social engineering
- C. cyberspace
- D. virtual reality