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GCSE OCR Computing A451 Revision 4 Flashcards | StudBud
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GCSE OCR Computing A451 Revision 4
GCSE OCR Computing A451 Revision 4
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GCSE OCR Computing Revision A451
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
How many characters can ASCII represent?
65
128
64
127
2
Which of the following is NOT an interface
Icon
GUI
Voice
Command Line
3
What is the total of this binary addition?
00101110
00011011
00011100
00001110
4
What is this in denary?
71
69
67
56
5
246 in binary is?
01111111
11111100
11110110
11001111
6
What is this binary number in Hex?
B6
B7
A6
A7
7
How many many bytes are in a kilobyte?
1000
1024
10024
10000
8
Machine code used by the CPU uses?
Assembly
Denary
Firmware
Binary
9
Which of these is NOT a software utility?
Spyware
Disk Cleanup
Defragmenter
Firewall
10
The program counter stores the address of the next....
Data
Address
Instruction
Program
11
The smallest element of a picture is a?
Pixel
Byte
Colour
Block
12
Colour depth is the number of what used for each pixel?
Bits
Colours
Dots
Resolution
13
The OS kernel connects applications to what?
Hardware
Software
Processes
Binary
14
The two parts of an instruction are the Operator and the...
Opcode
Operand
Address
CPU
