WorksheetsCharizard CS test
Total questions: 66
Worksheet time: 3hrs 18mins
Name
Class
Date
1.
Transmission where data can only be sent in one direction only e.g. a computer to a standard monitor.
a)
Simplex
b)
Duplex
c)
Serial
d)
Parallel
2.
Data transmission in both directions simultaneously.
a)
Full Duplex
b)
Double Duplex
c)
Half Duplex
d)
Parallel Duplex
3.
The rules that specify how data is transmitted.
a)
Protocols
b)
Parallels
c)
Bandwidth
d)
Mulitiplexers
4.
Data transmission where data is transferred one bit at a time.
a)
Serial
b)
Parallel
c)
Simplex
d)
Half Simplex
5.
Data transmission where several bits of data (usually one byte) are transferred simultaneously.
a)
Parallel
b)
Serial
c)
Full Duplex
d)
Multi-Duplex
6.
What does USB stand for?
a)
Universal Serial Bus
b)
Universal Simplex Bandwidth
c)
Universal Serial Broadband
d)
Universal Simplex Bus
7.
Parallel data transmission would most likely be used for?
a)
Sending Data to a Printer
b)
Saving Work on a USB Flash Drive
c)
Streaming a Movie
d)
Sending an Email
8.
Before sending data over a network it is divided into small chunks named?
a)
Packets
b)
Blocks
c)
Bytes
d)
Packages
9.
What is NOT true of arrays?
a)
A given array can hold both Strings and integers at the same time.
b)
A given array can hold many integers.
c)
A given array can hold many Strings.
d)
A given array can hold Strings and integers, but not both at the same time.
10.
What does the given line of code do?
if ( x <> y )
a)
Checks to see if the value of x is equal to the value of y
b)
Checks to see if the value of x is not equal to the value of y
c)
Checks to see if x is the same variable as y
d)
Checks to see if x and y are both integers
11.
What would the result of this code be?
int x = 0;
while ( x < 5 )
{
System.out.print( "Hello" );
}
a)
It would print "Hello" 5 times
b)
It would print "Hello" 4 times
c)
It would print "Hello" an infinite number of times.
d)
It would print Hello once and then generate an error.
12.
The smallest unit of computer data.
a)
bit
b)
byte
c)
digit
d)
ram
13.
How many bits are in a byte?
a)
8
b)
32
c)
64
d)
2
14.
How would you represent the number 10 in binary?
a)
1010
b)
0101
c)
10
d)
1111
15.
Two or more computers connected close together in a local area e.g. building or office is called?
a)
WAN
b)
LAN
c)
The Internet
d)
Virtual Network
16.
Two or more computers connected together over a wide geographical area (e.g. county, country, globe). What type of network is this?
a)
LAN
b)
School Network
c)
WAN
d)
The Internet
17.
Disadvantages of networks ?
a)
Share files
b)
Viruses
c)
Share Internet
d)
Roaming
18.
You have learned that there are three types of network topology.
Which one is NOT network topology?
Which one is NOT network topology?
a)
BUS
b)
WAN
c)
RING
d)
STAR
19.
Figure shows network topology .
Name the topology .
Name the topology .
a)
Tree topology
b)
Bus Topology
c)
Ring topology
d)
Star topology
20.
What are the ADVANTAGE of bus topology and Star topology ?
a)
If the backbone is failed.It will affect the whole system
b)
If the central host is down the entire system will down
c)
If one computer is down it will not affect the whole system
d)
There are no disadvantages
21.
All computer are connected to the single backbones.
Which topology is that?
Which topology is that?
a)
Tree topology
b)
Star topology
c)
Ring topology
d)
Bus topology
22.
Processing happens on the user's device. (Referring to networks)
a)
Client
b)
Server
23.
The web page appears the same no matter what browser the user is using. (Referring to networks)
a)
Client
b)
Server
24.
The processor may run slowly if too many users are accessing it at the same time. (Referring to networks)
a)
Client
b)
Server
25.
Which type of network would use a specific machine to provide services to all
other computers on the network?
other computers on the network?
a)
peer-to-peer
b)
switched
c)
hub based
d)
client/server
26.
What does CPU stands for?
a)
Central Processing Unit
b)
Central Pressing Unit
c)
Control Processing Unit
d)
Central Pass Unit
27.
Checking user input is a reasonable value
a)
Validation
b)
Verification
28.
A form a validation that uses a calculated value to make sure numbers input are valid
a)
Length check
b)
Format check
c)
Data type
d)
Check digit
29.
Documents that describe how a new system was made, such as flow charts, code listings etc.
a)
Technical Documentation
b)
User Decumentation
30.
What type of device is a hard disk drive?
a)
Input
b)
Output
c)
Storage
d)
Processing
31.
Internal storage that holds the instructions and data for the programs currently running. The data is lost when the computer is turned off
a)
RAM
b)
Hard Disk Drive
c)
ROM
d)
CPU
32.
Iteration is
a)
Used in programming to select which statements will be executed next based on a condition
b)
Two or more statements following one after the other
c)
Performing a loop in a program to repeat a number of statements
d)
A way to escape the Friend Zone
33.
Which protocol would you use to transfer files?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
34.
Which of these is an Input device
a)
Temperature Sensor
b)
Servo Motor
c)
SD card
d)
Monitor
35.
Which of these are Secondary Storage
a)
ROM
b)
RAM
c)
Hard Disk
d)
CPU
36.
The steps when the CPU executes instructions is
a)
Get, Look at, Do
b)
Fetch, Decide, Execute
c)
Fetch, Decode, Execute
d)
Find, Decode, Execute
37.
The part of the CPU which holds the location of the next bit of memory to read from / written to
a)
Address Bus
b)
Random Access Memory
c)
Memory Data Register
d)
Memory Address Register
38.
Which of these is NOT an operating System
a)
UNIX
b)
Safari
c)
MS-DOS
d)
Windows
39.
An area on the CPU which speeds up processing by storing copies of blocks of data
a)
Cheating
b)
ROM
c)
Cache
d)
Memory Address Register
40.
What type of check?
The last one or two digits in a code are used to check the other digits are correct
The last one or two digits in a code are used to check the other digits are correct
a)
Format Check
b)
Presence Check
c)
Check Digit
d)
Range Check
41.
A row in a database represent a...
a)
Record
b)
Field
c)
Entity
d)
Table
42.
A rule to make sure that only reasonable and sensible data is entered.
a)
Filter
b)
Query
c)
Validation
d)
Verification
43.
Text, Number, Boolean and Date/Time are all examples of...
a)
Data Types
b)
Filters
c)
Sorts
d)
Validations
44.
A database search that can be saved as a separate file.
a)
Query
b)
Validation
c)
Filter
d)
Verification
45.
A unique identifying field.
a)
Primary Key
b)
Integer
c)
Verification
d)
Boolean
46.
A data type that can only hold 2 values e.g. Yes/No or True/False.
a)
Boolean
b)
Integer
c)
Real
d)
String
47.
A sports club needs to store information about each member. The individual information about each member is called a:
a)
Field
b)
File
c)
Table
d)
Record
48.
What is a database?
a)
A piece of software to do calculations
b)
A device to load information onto the computer.
c)
A structured collection of information
d)
A white supremacy representation
49.
One specific piece of information about a person or thing is called:
a)
Field
b)
File
c)
Record
d)
Table
50.
Ashley is creating a database for several customers. How will she list the Customer ID?
a)
Yes/No
b)
Date
c)
Number
d)
Currency
51.
What is a relational database?
a)
A flat database.
b)
A database of your relatives.
c)
A database that contains multiple tables related through common fields.
d)
None of the above
52.
What is SQL?
a)
A language used by databases
b)
A query in a database
c)
A way to manipulate data
d)
A search in a database
53.
What type of data validation would you use for exam results, where the maximum mark is 50?
a)
Range
b)
Presence
c)
Format
d)
Check digit
54.
What type of data validation would you use for exam results, where the maximum mark is 50?
a)
Range
b)
Presence
c)
Format
d)
Check digit
55.
A column is...
a)
horizontal
b)
vertical
56.
A row is...
a)
horizontal
b)
vertical
57.
Field size restricts the number of characters that can be entered into a field.
a)
True
b)
False
58.
What should the value of ? be if the byte ?0110110 is transmitted using even parity
a)
0
b)
1
c)
2
d)
3
59.
What should the value of ? be if the byte ?1000110 is transmitted using even parity
a)
0
b)
1
c)
2
d)
-1
60.
What should the value of ? be if the byte ?0000000 is transmitted using odd parity
a)
0
b)
1
c)
2
d)
-1
61.
What do you call sending a number that is calculated from the data transmitted which is used to check for errors?
a)
Hoping
b)
Checking
c)
Checksum
d)
Checkcalc
62.
If an error is detected what should the receiver do?
a)
Correct the error themselves
b)
Ask for the data to be retransmitted
c)
Ignore it and hope for the best
d)
Tell the user
63.
After running the following code, what will be the value of x?
y = 3;
x = 5 * y;
y = 3;
x = 5 * y;
a)
3
b)
5
c)
15
d)
0
64.
A _____ can hold letters and number
a)
Integer
b)
String
c)
Boolean
d)
pineapple
65.
The steps in the machine cycle are/is:
a)
Fetch, Store and Decode
b)
Execute and Store
c)
Fetch, Decode, Store and Execute
d)
Execute only
66.
Peripherals is another name for______________
a)
Input devices only
b)
Input and Output devices only
c)
Input, Output and Storage devices
d)
Processing devices
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