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