WorksheetsICT Test 1
Total questions: 20
Worksheet time: 13mins
Which of the following statements is true about data sizes?
1 bit = 8 bytes
1 kilobyte = 1000 bytes
1 megabyte = 1024 kilobytes
1 megabyte is greater than 1 gigabyte
One of the importance of hexadecimal numbers is to represent digital colours.
Which of the following represents the basic digital colours?
RYB
RGB
CMY
CMYK
A series of steps arranged to solve a problem is called a(n)
algebra
algorithm
program
pseudocode
Identify the type of flow chart illustrated in the figure above.
Control structure
Selection structure
Sequence structure
Repetition structure
Examine the code.
If the input for num is 11, what is the output for the code above?
A
B
C
D
Expert systems are used in medical applications.
From the list below, tick TWO components of an expert system.
Control unit
Graphics program
Inference engine
Search engine
Rules base
Tick THREE items of software which a PC connected to the internet might use.
A modem
A virus scanner
An email package
A browser
A keyboard
A school library has computerised its book borrowing system. When a book is borrowed the details of the book and the borrower have to be input to the system.
Tick TWO direct data entry devices which could be used in such a system.
Bar code reader
Magnetic Ink Character Reader
Magnetic stripe readers
Mouse
RFID chip reader
The introduction of computers in an organisation can either increase or decrease employment.
Tick THREE jobs below for which the introduction of computers will increase the number of workers.
Car production workers
Systems analysts
Delivery drivers
Payroll workers
Programmers
Some students at a school want to produce a multimedia presentation to advertise a school play.
Tick TWO types of data which can be used in a multimedia presentation that cannot be used in a hard copy document.
Text
Integers
Sound
Graphics
Video
Random Access Memory (RAM) is an example of internal memory.
TRUE
FALSE
Portable hard disk drive (HDD) is an example of internal memory.
TRUE
FALSE
Pen drive is an example of backing (secondary) storage.
TRUE
FALSE
Magnetic tape is an example of primary storage.
TRUE
FALSE
"The internet is an example of this type of network."
This statement would apply to a
LAN
WAN
WLAN
"A wired network found within a single building."
This statement would apply to a
LAN
WAN
WLAN
"This network uses wireless technology."
This statement would apply to a
LAN
WAN
WLAN
"A computer that is not powered by batteries."
This statement would apply to a
Smartphone
Desktop
Laptop
"A portable computer with a keyboard and with a built-in 15 inch monitor."
This statement would apply to a
Laptop
Mainframe
Smartphone
The following are different number systems used in computing.
Byte
Binary
Decimal
Hexadecimal
