WAEC SSCE - Computer Studies - 2020 (Objective)

A rectangular image consisting of black lines and white spaces representing data which can be optically read is called?     

The minimum number of computers that can constitute a network is?        

A company known as CIBITO has the following memory modules in four of its computers as shown in Table 1.

Which memory module will be appropriate for graphic design?

Table 1

In Figure 1, the value of Z when X = 1 and Y=0 is?     

Handwritten letters, typeset documents or printout Characters can be read into the computer by?       

In a Windows operation involving dragging and dropping an item on the desktop, the item will be?     

A feature on the computer desktop that indicates the current active applications is called?   

Choose the incorrect statement about microcomputers?   

Which of the following options best shows the arrangement of file structure?   

I File

ll. Field

III. Character

IV, Record

Which of the following is not a criterion files?     

Removing a program on a computer properly requires?     

Digital signals can be represented by:   

I. Binary Codes

Il.0 and 1

III. High and Low Which of the following options is correct?

The major difference between low level programming language and high level programming language Is that?     

A data bus that is capable of transferring 8 bytes of data at once can be rated as?   

A pre-designed document coordinating fonts, a layout and a background is also known as?    

In Figure 1, the value of Z when X = 1 and Y=0 is?     

In order to avoid damages caused by security breaches, the user must?        

Files that contain machine language instructions are called?      

A single hexadecimal digit is represented by?       

An algorithm can be described as?        

In graphics, a subscript text refers to a text that is positioned?      

Which type of network topology is represented in figure 2?

The stages of software development do not include?    

which of the following logic operations would select a record when at least one condition is satisfied?        

The operation of a computer and peripherals attached to it is controlled by?

The decimal fraction 0.9375 converts to binary?      

In networking, bandwidth means?

Which of the following statements best describes sequential file organization?     

A rectangular image consisting of black lines and white spaces representing data which can be optically read is called?     

To make the entire slides in a presentation to have the same "look" in MS PowerPoint, a user  should?      

Pascal's calculating machine was useful in?    

In database application, the field length determines the?     

To centre worksheet titles across a range of cells MS Excel, the user must?   

The following are types of errors in programming except?    

Under classification by data representation. computers can be?      

Which of the following memory types are nonvolatile?

I. PROM II. SRAM II. EEPROM IV. DRAM

The communication of knowledge, concepts and ideas is referred to as?    

The following are types of data network except?       

Antivirus software is an example of?       

The EBCDIC coding system was developed on?   

Which of the following devices will not require the use of system software to operate?     

The equivalent of the decimal number 89 in base 4 is?    

In MS Excel, the average of 10 numbers give B1, B2,...,B10 is?   

Which of the following is not a step involved in data conversion?

Viruses, worms and trojan horses are all?           

What will the following BASIC statement produce? PRINT "Afrikom Computer School" A .     

One attribute of the Read Only Memory is that it?      

Which of the following application packages is most suitable for database management?     

Arrange the following inventions in chronological order.

I. Slide Rule ll. Pascaline llI. Analytical Engine IV. Difference Engine

The following are functions of database management system except?   

Express P(1 + \(\frac{R}{100}\))\(^N\) as a BASIC programming notation.

If a computer user wants to access the national database from a remote location, the user will require a?