The use of Visual Display Unit was a major breakthrough in the
Trả lời
(C)
third generation computers
2
In hexadecimal system, D is equivalent to
Trả lời
(C)
13
3
A teacher computed the average score of students in a given test. The result of the computation describes
Trả lời
(B)
information
4
The sum of 1102 and 1012 is
Trả lời
(D)
10112
5
One advantage of the first generation computers is
Trả lời
(A)
Processing speed
6
Magnetic Ink Charcter Recognition is applied on
Trả lời
(D)
bank cheques
7
Internet banking entails
Trả lời
(A)
applying computer networks in banking operation
8
Which of the following parts of the computer ensures the smooth operation of its hardware?
Trả lời
(B)
Control unit
9
Basic computer operations include the following except
Trả lời
(A)
control
10
One disadvantage of electronic data processing is
Trả lời
(D)
vulnerability to attack
11
Which of the following sources of information is received by the user in visual mode only?
Trả lời
(C)
Photograph
12
Which of the options A to D is not a medium of information transmission?
Trả lời
(C)
Television set
13
A company has four computer system, one printer and one scanner for its daily operations. One factor that can motivate the company to connect all the devices in a network is the need to
Trả lời
(A)
provide efficient services
14
One similarity between the internet and intranet is that they both
Trả lời
(B)
use the same technology
15
The process of copying data or information form the internet to a personal computer is termed
Trả lời
(B)
downloading
16
An entrepreneur who wishes to send digital data over a telephone line would need a
Trả lời
(B)
modem
17
Graphical User Interface is considered user friendly because of the following reasons except that it
Trả lời
(A)
compels the user to learn all the command before operating the system
18
The symbols dialog box of MS Word application is located on the
Trả lời
(C)
insert menu
19
Pressing the key combination Ctrl + J on a selected text in a Microsoft Word document would
Trả lời
(C)
justify the paragraph
20
The merge button in spreadsheet application is used to
Trả lời
(B)
convert selected cell into single cell
21
If cell A20 in MS Excel contains the value 5, then the formula "A=A20^3" will return a value equal to
Trả lời
(D)
125
22
A database contains list of customers and their phone numbers. What typ of relationship desribes a customer having multiple phone numbers?
Trả lời
(C)
One-to-many
23
The DBSM statement select* from Marksheet in table Marksheet will display all records in the fields;
ID
NAME
SCORE
GRADE
001
Abdul
55
C
002
Emeka
52
C
003
Kola
49
P
Trả lời
(D)
ID, Name, Score and Grade
24
Which of the following objects is not located on the slide layout
Trả lời
(A)
Animations
25
The following programming tools are employed by a web developer except
Trả lời
(A)
COBOL
26
Graphics can be captured using the following devices except
Trả lời
(C)
joystick
27
Which of the following substances is used for cleaning the mouse ball
Trả lời
(C)
Isopropyl alcohol
28
One characteristics of a dirty mouse is that the mouse
Trả lời
(D)
pointer moves erratically
29
One responsible way of using the computer is
Trả lời
(D)
ethical hacking
30
Any activity carried out to protect the user from hazards while using the computer is called
Trả lời
(D)
safety measures
31
In order to protect a computer on the World Wide Web from throats, the user should
Trả lời
(C)
implement an internet security software
32
Responsibilities of a database administrator includes the following except performing
Trả lời
(C)
network maintenance
33
The following tools are used for protecting the computer against virus attack except
Trả lời
(D)
Trojan horse
34
Which of the following software replicates itself without being executed by the user
Trả lời
(A)
worm
35
In the model; Furniture (Table, Chair, Wardrobe) Furniture is...
