WAEC - Computer Studies (2023)
1
An advantage of bus topology over star topology is that
Answer(D)
it requires less cable length than star topology
2
The transmission method that allows data transmission to multiple computers on a network without addressing all the computers is called
3
The main distinguishing feature of fifth generation computers is
4
Machine language instruction codes are expressed in
5
A wait state of zero in hardware means the
Answer(D)
processor and the memory are equally matched in speed.
6
The following are effects of file insecurities except
7
The commands used for adding comments in QBASIC programming is
8
Which of the following IP addresses can be used to access a locally running website on a user's computer?
9
The BCD equivalent of 135 is
11
The central processing unit consists of
Answer(C)
control unit, arithmetic logic unit and primary storage.
12
The technology used for first generation computers was
13
The LET statement in QBASIC
Answer(A)
allows users to assign a value to a variable.
14
The first attempt at using the punch card principle to do mathematical calculations led to the invention of
Answer(C)
Charles Babbage Difference Engine
15
The radix of hexadecimal number system is
16
A file organization in which the records are stored in the order in which they occur is called
17
The process of converting data into information is known as data
18
A BIOS configuration program that allows a windows user to configure attributes such as password, time and date is called
19
The software responsible for allocating and managing system resources is called
20
Which of the following commands can be used to switch between open window?
21
During the booting process in Windows, the Master Boot Record is loaded by the
22
The set of instructions used to solve specific user tasks is called
23
Personalized form of letters which can be sent to many people can be achieved using
24
An input device that converts an image into a text is known as
Answer(D)
optical character reader.
25
Which of the following QBASIC arithmetic operations is the last in order of precedence?
26
The command used to seek for assistance in Microsoft disk operating system is
27
Which of the following is an example of information?
Answer(B)
Average score of students in a test
28
The usage of the keys CTRL + W in Ms Word
Answer(A)
closes the current window.
29
The speed of data transfer can be affected by the following factors except
30
Which of the following data is alpha-numeric?
31
The unit of the computer system that directs and supervises other units is called the
32
An opening on the motherboard of a system unit where expansion cards can be inserted is known as
33
Headers and footers are used in Microsoft Word documents to
Answer(B)
allow text to appear at the top and bottom of every page.
34
If today's date is 02/02/2008, what will be the result of typing "=today() - 1" in a cell of a spreadsheet?
35
The act of translating data into a secret code is known as
36
The https in the web address, https://waec.org.ng, is called a
37
The process of transferring a file from a server to a computer is called
38
The following are functions of database management system except
39
Input devices are computer devices that can
Answer(A)
send data and instructions into the computer memory.
40
Viruses, worms and Trojan horses are regarded as
41
Which of the following actions is not an animation in Microsoft PowerPoint?
42
The database model that uses tables with columns and rows is called
43
Datatypes in QBASIC programming language include the following except
44
A program that converts source code instructions in high-level programming language to object codes line by line is known as
45
Stored instructions and data in digital computer consist of
