WorksheetsOCR computer science Paper 1 topics
Total questions: 20
Worksheet time: 12mins
What is a standalone computer?
A computer that is not connected to a network
A computer that is being used as a server
A computer that does not have any peripherals attached to it
A computer that is only used by one person
Which of these statements is true?
A client-server network has a central computer that provides services to the rest of the network
A client-server network is cheap and easy to set up
A client-server network cannot be used to share files
Each computer on a client-server network is maintain separately
Where are you most likely to find a peer-to-per network?
In a large organisation
In a home
In a large office
Across several offices in a company
What type of storage is a DVD?
Magnetic
Solid State / Flash
Optical
What type of storage is a USB memory stick?
Solid State / Flash
Optical
Magnetic
Which of the following types of storage would it be possible to access data the quickest on?
Solid State / Flash
Magnetic
Optical
Which of the following is a valid IP address?
100.11.16
73.193.256.17
73.193.52.17
73.193.256.17.12
Fill in the end of this sentence:
The CPU fetches instructions from " (a) "
In the fetch - decode - execute cycle, which part is carried out in the control unit (CU)?
Fetch
Decode
Execute
Which CPU component carries out all of the calculations?
Control Unit (CU)
Arithmetic Logic Unit (ALU)
Registers
What CPU register stores the address of the location in memory we want to read or write to?
(a)
What is a character set
The symbols a computer can represent
All the different characters a computer can represent
Hex Letters
A table of codes
The maximum number of characters ASCII can represent are:
256
128
8
255
Each ASCII Character is represented by how many bits
16
4
1
8
Which shift should be used to multiply ?
Left
Right
The accumulator
Stores the address
Stores the result of arithmetic operations
Increments after each cycle
performs calculations
The sample rate is
Number of samples collected in a song
the number of times the amplitude is recorded per second
The number of binary codes per sound
points in a wave
This is volatile storage
How is the resolution of an image calculated?
Width in pixels * height in pixels
Colour depth * number of pixels
Number of pixels squared
Sample rate * sample resolution * length in seconds
Colour depth defines...
How many bits are needed to store each pixel
How many pixels are in an image
The file size of a bitmap image
The sample rate of sound
