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WorksheetsIGCSE Computer Science Revision - Paper 1
Total questions: 27
Worksheet time: 14mins
Data transmitted several bits at a time down several wires in both directions simultaneously
Serial
Parallel
Data transmitted several bits at a time down several wires in both directions simultaneously
Simplex
Half-duplex
Full-duplex
Data is trasmitted one bit at a time down a single wire, the data is transmitted in both directions but not at the same time.
Serial
Parallel
Data is trasmitted one bit at a time down a single wire, the data is transmitted in both directions but not at the same time.
Simplex
Half-duplex
Full-duplex
What is structure used for in a HTML document?
CSS: To format/style the page
HTML: To create a layout for the page & add content
What is presentation used for in a HTML document?
CSS: To format/style the page
HTML: To create a layout for the page & add content
True or False? Structure and Presentation in a HTML document are kept seperate
True
False
True or False? You would add text formatting in the HTML section of code instead of CSS?
True
False
.JPEG is an example of a compressed file format
True
False
.GIF is an example of a compressed file format
True
False
.PNG is an example of a compressed file format
True
False
.WAV is an example of a compressed file format
True
False
.MP3 is an example of a compressed file format
True
False
Which one of these are lossy file formats?
JPEG, MP3, MP4, ZIP
PNG, BMP, WAV
Which one of these are lossless file formats?
JPEG, MP3, MP4, ZIP
PNG, BMP, WAV
Which is an example of using hexadecimals in computer science?
MAC addresses
URL
File types
Which is an example of using hexadecimals in computer science?
URL
HTML/CSS
File types
True or False? We use hexadecimal numbers in computer science because we can represent 16 bit words as 4 hexadecimal digits
True
False
True or False? We use hexadecimal numbers in computer science because its easy to convert hex back to binary if necessary
True
False
Hardware identification number that uniquely identifies each device on a network.
IP address
MAC address
Internet Service Provider
Location of a device on a network
IP address
MAC address
Internet Service Provider
Company that provides individuals access to the internet
IP address
MAC address
Internet Service Provider
An even parity check was used here. Is this correct? 10011100
Correct
Incorrect
An odd parity check was used here. Is this correct? 10011100
Correct
Incorrect
Which is the fastest kind of memory for the CPU to access?
Random access memory
Level-1 cache memory
Level-2 cache memory
What is 10111100 in hex?
15
AD
BC
What is the hexadecimal value 2D equivalent in denary (base 10)?
2014
45
33
