Which type of computer functions as a central repository, providing hardware, software, and other resources to multiple clients connected over a network?
Απάντηση
(D)
Server
2
What does the 'Thesaurus' feature in word processing packages help users with?
Απάντηση
(A)
Find synonyms and antonyms of words
3
Which access method is least efficient for data retrieval?
Απάντηση
(B)
Sequential access
4
Which application package is used for developing websites?
Απάντηση
(D)
Adobe Dreamwaver
5
Which of the following best describes software?
Απάντηση
(B)
Logical sequences of coded instructions
6
Which of the following best describes the SDLC?
Απάντηση
(B)
A framework for developing information system
7
Which key on a keyboard is used to access special functions like volume control or brightness?
Απάντηση
(C)
Function key
8
Which stage of the SDLC involves evaluating the system to ensure it meets user needs and making necessary adjustments?
Απάντηση
(A)
Review
9
What is the relationship between a 'record' and a 'file'?
Απάντηση
(D)
A file contains multiple records
10
What was the primary advancement of the EDVAC over the ENIAC?
Απάντηση
(C)
Stored-Program architecture
11
What is the term for the unauthorized modification of data within a database by exploiting vulnerabilities in an application's software?
Απάντηση
(B)
SQL injection
12
Why is it important to be stable, steady, and patient during program development?
Απάντηση
(B)
To reduce the likelihood of making errors
13
What is the purpose of the design phase in program development?
Απάντηση
(C)
To create a flow chart and algorithm
14
What type of printer uses toner to print documents?
Απάντηση
(B)
Laser jet printer
15
What is the output expression for the circuit shown above?
Απάντηση
(D)
A B+BC
16
Microprocessors became widely used in which generation of computers?
Απάντηση
(A)
Fourth generation
17
What is a flowchart?
Απάντηση
(A)
A visual representation of an algorithm, using geometric shapes and symbols to depict the flow of logic.
18
Which network device provides a central point for connecting devices within a network and manages data traffic between them?
Απάντηση
(C)
Switch
19
Which of the following is a cloud storage service?
Απάντηση
(B)
Drop Box
20
In graphic design, what does the term DPI stand for?
Απάντηση
(D)
Dots Per Inch
21
What is a common security threat that can compromise your computer files?
Απάντηση
(B)
Weak passwords are used for user accounts and file access.
22
Which characteristic of a computer refers to its ability to minimize energy, consumption and resource usage?
Απάντηση
(C)
Efficiency
23
Which operation combines multiple files into a single archive file?
Απάντηση
(D)
Compress
24
What does the term "formula" refer to in a spreadsheet?
Απάντηση
(C)
A predefined calculation
25
What are some key components of an ICT system?
Απάντηση
(D)
Hardware, software, and networks
26
Which toolbar in word processing packages provides options for adjusting paragraph alignment, indentation,and spacing.
Απάντηση
(D)
Formatting Toolbar
27
How can you add speaker notes to a PowerPoint slide?
You can add speaker notes by clicking on "View" and then selecting "Notes Page" to open the notes pane where you can
e your notes.
Απάντηση
(D)
Click on
28
What is a potential drawback of using high-level programming languages?
Απάντηση
(C)
High-level languages can sometimes have slower execution speeds due to the abstraction layer.
29
What type of ICT is used for immersive gaming solutions?
Απάντηση
(B)
Virtual Reality (VR) Headset
30
What does the acronym ISP stand for?
Απάντηση
(B)
Internet Service Provider
31
What is the primary purpose of using a query in MS Access?
Απάντηση
(D)
To visually represent data trends and relationships through charts and graphs.
32
Which operation combines multiple files into a single archive file?
Απάντηση
(C)
Compress
33
What is the advantage of using cell references in formulas compared to entering constant values?
Απάντηση
(D)
Cell references improve formula accuracy by reducing manual data entry.
34
Which type of software acts as an intermediary between hardware and applications?
Απάντηση
(A)
System software
35
What is the main advantage of using hexadecimal over binary?
Απάντηση
(B)
Easier to read and write
36
Which type of attack floods a network or server with excessive traffic to make it unavailable to legitimate users?
Απάντηση
(D)
Denial-of-service attack
37
What is the term for an email scam that tries to trick people into giving out personal information?
Απάντηση
(D)
Phishing
38
Which type of computer would a small business most likely use for everyday tasks?
Απάντηση
(C)
Microcomputers
39
Which of the following is NOT a characteristic of interpreters?
Απάντηση
(D)
They translate code into machine code at once
40
Which database organization uses parent-child relationships to organize data in a tree-like structure?
Απάντηση
(C)
Hierarchical
41
What is the main purpose of device drivers?
Απάντηση
(A)
Manage hardware devices
42
What distinguishes open-source software from proprietary software?
Απάντηση
(D)
Open source software allows modification and redistribution, while proprietary software does not.
43
Which of the following data types is used to represent textual data in computers?
Απάντηση
(C)
String
44
What is the function of the motherboard in a computer system?
Απάντηση
(B)
Connect all hardware components
45
What does SSD stand for, and what is its primary advantage?
Απάντηση
(D)
Solid State Drive, faster speed
46
Which statement is used to skip the execution of the current iteration and start the next iteration in a loop?
Απάντηση
(C)
Continue statement
47
What is the key innovation of the Analytical Engine?
Απάντηση
(C)
It incorporated the idea of a memory unit to store data and programs.
48
What is the benefit of using a bulleted or numbered list in your document?
Απάντηση
(D)
To highlight important points and improve readability by visually separating items.
49
What are some common criteria used to classify computer files?
Απάντηση
(A)
File type and content.
50
What is the advantage of using cell references in formulas compared to entering constant values?
Απάντηση
(A)
Cell references improve formula accuracy by reducing manual data entry.
