Who developed the first digital electrical computer?
Trả lời
(C)
Mauchly and Eckert
2
Which generation of computers made use of intergrated circuit?
Trả lời
(B)
Third
3
Which of the following is an alphebetical data?
Trả lời
(A)
Bed
4
The type of data which consist of text, number, audio, graphic and animation is called
Trả lời
(B)
multimedia data
5
Which of the following factors is not considered when classifying computers?
Trả lời
(A)
Location
6
Which of the following is not used for online shopping?
Trả lời
(D)
Sim card
7
Which of the following is a negative impact of ICT in education?
Trả lời
(A)
Plagiarism
8
Which of the following are parts of a computer processor?
Trả lời
(B)
Control unit and ALU
9
Data gathering involves the following means except
Trả lời
(B)
voting process
10
Two computers, X and Y are such that the processor in X has a word size of 32 bits while that of Y is 16bits. Which of the following statement is true?
Trả lời
(C)
X can process two times as much data as Y at the same time.
11
The television set deisplays information as
Trả lời
(D)
audio-visual signals
12
Which of the following is not an ancient medium for transmitting information?
Trả lời
(C)
Telephone
13
A server is a computer that provides services to other computers called
Trả lời
(A)
Clients
14
The rules for exchanging data on a network are known as
Trả lời
(C)
protocol
15
A search engine is a?
Trả lời
(D)
tool that searches the web
16
The feature in a browser which enables users to open the latest copy of a webpage is
Trả lời
(A)
Refresh
17
An operating system will perform the following except
Trả lời
(D)
protection from surge
18
A Microsoft Office application suites include all the following except
Trả lời
(C)
CorelDraw
19
Which of the following is not a feature of the drawing tool bar?
Trả lời
(C)
Drop Cap
20
The MS Excel worksheet below shows the salary distribution for four staff in a company. The net salary is paid after deductions have been made.
S/N
A
B
C
D
E
1
IDENTIFICATION NUMBER
BASIC SALARY (N)
TOTAL ALLOWANCE (N)
TOTAL DEDUCTION (N)
NET SALARY (N)
2
LP/p/1202
22000
29000
7000
44000
3
L/P/1250
26000
35000
9000
52000
4
L/P/3205
15000
21000
6000
30000
5
L/P/3215
33000
41000
8000
66000
Which of the following cells contain numeric data?
Trả lời
(C)
C3
21
The MS Excel worksheet below shows the salary distribution for four staff of a company. The net salary is paid after deductions have been made.
S/N
A
B
C
D
E
1
IDENTIFICATION NUMBER
BASIC SALARY (N)
TOTAL ALLOWANCE (N)
TOTAL DEDUCTION (N)
NET SALARY (N)
2
LP/p/1202
22000
29000
7000
44000
3
L/P/1250
26000
35000
9000
52000
4
L/P/3205
15000
21000
6000
30000
5
L/P/3215
33000
41000
8000
66000
Which of the following for mulas would be used to obtain the value in cell E2?
Trả lời
(A)
= B2 + C2 - D2
22
In Database Management System (DBMS), linking entities is used to represent?
Trả lời
(C)
Relationships
23
A data element that uniquely identifies one record from the other in a table is the
Trả lời
(D)
primary key
24
In MS PowerPoint presentation, the special effects that control the order in which objects enter a slide and their manner of appearance is
Trả lời
(D)
Animation
25
Which of these packages could be used by a Data processing teacher to design a website for a school
Trả lời
(A)
Front Page
26
In graphic packages, the process of removing unwanted part of an image is known as
Trả lời
(D)
cropping
27
Routine checks operations on computers in order to ensure its continuous functioning is known as computer
Trả lời
(C)
maintenance
28
The perfomance of the computer can be enhanced by
Trả lời
(D)
increasing the memory size
29
The moral principles that regulates the use of computers, its accessories and environment are called
Trả lời
(A)
ethics
30
A technician can protect itself from electronic discharge by using
Trả lời
(A)
wrist strap
31
Which of the following operations prevent file loss?
Trả lời
(A)
File backup
32
Acomputer pofessional who studies an existing system with a view to evolving a computer based system from it is
Trả lời
(A)
system analyst
33
Computer virus cannot be transmitted by
Trả lời
(D)
typing of keyboard
34
A program designed to detect and prevent malicious programs from a computer system is
