WAEC SSCE - Computer Studies - 2018 (Objective)

Figure 1 is a logic gate. Use it to answer question 17.

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 row in a database table is referred to as? 

The basic computer operation involves the following except?    

The largest computer system in terms of processing power is A?    

During program execution in the central processing unit, the instruction is interpreted by the?   

An icon, a graphic or a text in a document or a webpage that connects to another file or object is called a?      

The following are relational operators in QBASIC?  

The system unit houses the following components except?     

Which of the following options is not an advantage of  linear bus topology?     

The following are the guidelines for drawing flowcharts except that it?     

The most important system software in a computer system is the?       

The algebraic equation for the AND gate with input variables A and B is?     

Which of the following options is not a data type?      

The MS-Windows shortcut keys to initiate warm booting is?       

The uses of spreadsheet packages include:

1. -Preparing organisation's logo;   II. - Performing sensitivity analysis; III, - Preparing reports for senior manage- ment; IV. - Preparation of profit forecasts.

Which of the following options is true?    

Which of the following components are data communication equipment?

I. Scanner ll. Hub lIl. Modem
 

The command line prompt of MS-DOS operating system is represented as?    

The following programs are general purposotion software except?     

Use the infomation belowto answer questions 42 and 43.

As a computer professional, you have just been con- tracted by a school to help them solve the problem they are facing in computing students' results.

The school currently runs a manual system. Time and accuracy of the result are the major concerns.

What would you advise the school to do?     

Which of the following charts does not display the X and Y axes?   

which of the following network cables offers highest data transmission?

Warm boot in computing is the same as?   

The number 28 in binary is?       

The largest component in a spreadsheet is?       

Which of the following computer files can be used for updating the master file?
 

The ASCII chart control characters using numeric codes ranging from?      

The conversion of readable data to unreadable codes in order to prevent unauthorised access is known as?    

A logic gate contains three input variables. The total possible combination of the input variables is?      

Which of the following output devices was common among the computing devices of the 19th century?        

Data can be defined as?    

Random file organisation is also known as?    

The file that contains historical record is called a?   

Use the logic truth table in figure 3 to answer question

Given that X and Y are input variables while Z is the output. The truth table in figure 3 represents?

A  site engineer intends to acquire a computer system. What factors Will he consider if he must choose a notebook computer over a desktop computer?

The major components of a computer system are?        

The pre-computing age device which made use of beads and frames is?     

The statement in QBASIC that is used to add data at the end of existing sequential file is?

The three levels of programming language?     

Arrange the following spreadsheet window parts in a hierarchial order by size:
I. worksheet
II. cell
III. workshop
IV. range

The speed of data transfer in the computer can be determined in terms of? 

Identify the logic gate in figure 2.
 

The following components are network interconnecting devices EXCEPT?   

The system unit houses the following components except?     

The process of testing the logic of programs to ensure they give correct result is known as?         

One megabyte is equivalent to?
 

QBASIC keywords do not include?   

Which of the following programs is an application specific?     

The process of restarting the computer system is known as?     

If you are given the contract, what would be your first step of action?        

Which of the following options is a biometric data?