An Accumulator in the CPU is:

The register in which values are stored while calculating.

What does encryption do to protect the data in case of being hacked or accessed illegally?

Use a secret key to alter characters

A program that can monitor and collect personal information

What is a graphical user interface?

Interaction via menus by touching, clicking, pointing, etc

What is an operating system?

A set of programs that controls everything on a computer

The difference between a WHILE loop and REPEAT...UNTIL (DO WHILE) loop is...

A REPEAT..UNTIL loop will always run the code at least once

The ALU in the CPU is:

The one that makes the calculations in the CPU

A Control Unit in the CPU is:

The ones that manages the flow of data in the CPU

The BUS in the CPU is:

The one that connects and transport information in the CPU

The purpose of the IP address is to....?

Identifies your device on the Internet

In ICT terms, what is a virus?

Program code that multiplies itself with detrimental effects

ROM chips that store permanent instructions

studbud

IGCSE CS Random Quiz

26 termsStudBud Administration107 plays

Review quiz for the IGCSE Computer Science Exam

Flashcards26 cardsFPractice quizPHost liveL

Questions 26

Answers

1
Which of the following shows that the connection is secure?
fttp
http
https
html
2
An Accumulator in the CPU is:
The register in which values are stored while calculating.
The one that makes the calculations in the CPU
The one that connects and transport information in the CPU
The ones that manages the flow of data in the CPU
3
What does encryption do to protect the data in case of being hacked or accessed illegally?
Report any illegal practices to the sender
Use a secret key to alter characters
Delete immediately after the message is received
Use codes to pass on message
4
What is a Spyware?
A program that searches for a person
A program that records your 'on keyboard activities.'
A program that wastes your time instead of moving on
A program that can monitor and collect personal information
5
hours ← 24, day ← hour / 12, week ← day * 7, OUTPUT week
7
12
24
14
6
Which of the following is an incorrectly received byte if odd parity is used?
1 0 0 1 0 1 1 1
0 0 0 1 0 1 1 0
1 0 0 1 0 1 1 0
0 0 0 1 0 1 1 0
7
Which of the following is an incorrectly received byte if even parity is used?
0 0 0 1 0 1 1 1
1 0 0 1 0 1 1 0
0 0 0 1 0 1 1 0
1 0 0 1 0 1 1 0
8
Codes ← [40, 45, 50, 50, 60] Secret ← codes[4] – codes[2] OUTPUT secret
10
-10
-5
5
9
What does DNS stand for?
Domain Name System
Dominent Naming Software
Domain Name Software
Dominent Naming Software
10
What is a graphical user interface?
Users type commands represented by abbreviations or words
Uses ordinary, intuitive behavior to interact with the UI
Interaction via menus by touching, clicking, pointing, etc
Processor that creates images and displays them on screen
11
What is an operating system?
Permanently installed software located on ROM chips
A set of programs that controls everything on a computer
An application used to create images
Performs hardware initialization at startup
12
The difference between a WHILE loop and REPEAT...UNTIL (DO WHILE) loop is...
A WHILE loop will always run the code inside it @ least once
A REPEAT..UNTIL loop will always run the code at least once
A WHILE loop will always run the code inside it
A REPEAT..UNTIL loop will never run code inside it
13
What is the output? For i ← 1 TO 5. OUTPUT i
54321
15243
12435
12345
14
f ← - 50, d ← 30, s ← 10, t ← f + s, OUTPUT t
-40
-60
40
50
15
The ALU in the CPU is:
The register in which values are stored while calculating.
The one that makes the calculations in the CPU
The ones that manages the flow of data in the CPU
The one that connects and transport information in the CPU
16
Device that will convert data from analogue (telephone system) to digital (network system)
Modem
Router
Backbone
Web Server
17
A Control Unit in the CPU is:
The one that makes the calculations in the CPU
The ones that manages the flow of data in the CPU
The one that connects and transport information in the CPU
The register in which values are stored while calculating.
18
The BUS in the CPU is:
The ones that manages the flow of data in the CPU
The register in which values are stored while calculating.
The one that makes the calculations in the CPU
The one that connects and transport information in the CPU
19
Runs special software to host websites
Web server
Modem
Router
Switch
20
1011 0110 in hexadecimal is:
B3
B6
A6
A3
21
The purpose of the IP address is to....?
Provide a secure Internet connection
IP your device
allows you to send letters to your address
Identifies your device on the Internet
22
A 'Switch' or 'Case' statement can be used in place of:
Nested FOR loops
Multiple WHILE loops
Multiple DO WHILE loops
Multiple IF ELSE statements
23
In ICT terms, what is a virus?
Software that detects malware and deletes them.
Program code that multiplies itself with detrimental effects
Process of deleting your browser history
An infective agent, that duplicates within living cells
24
What is firmware?
Metal disk used to hold applications
Physical items used to control a computer
The programs found within a computer
ROM chips that store permanent instructions
25
F28 in Binary is:
1000 10 1111
1000 0010 1111
1111 10 1000
1111 0010 1000
26
10001000 in decimal is:
16
88
72
136

IGCSE CS Random Quiz Flashcards | StudBud