Binary System and hexadecimal Communication and Internet technologies Logic gates and logic circuits Operating system and computer architecture
100
Base 2
Binary is a __________ system.
100
Universal serial bus
What is the full form of USB?
100
a•b
What is the Boolean algebra for the AND gate?
100
Address bus, Data bus and Control bus
Name the 3 busses.
200
255
What is FF in denary?
200
Sending data to a printer from a computer using a ribbon connector.
Give one real life application of parallel data transmission?
200
OR, NOR, NOT, AND, NAND, XOR & XNOR
Name the 7 types of logic gates.
200
Carries signals relating to the control and coordination of all activities within the computer, it is uni and bi-directional.
What is the function of the control bus and which direction does it move in?
300
B2C
What is (1 0 1 1 0 0 1 0 1 1 0 0) in hexadecimal?
300
1
Find the parity bit for the following byte, if even parity is used: (1 1 0 1 1 0 1)
300
3
How many NAND gates are required to make an OR gate?
300
John von Neumann
Who developed the idea stored programme computer?
400
It's a 48-bit number which uniquely identifies a device on the internet.
What is a MAC address?
400
The IP address gives the location of a device on the internet, whereas the MAC address identifies the device connected to the internet.
What is the difference between a MAC and IP address?
400
X = (A AND B) AND (C OR NOT B)
or
X = 1 if (A = 1 AND B = 1) AND (C = 1 OR (B = NOT 1))
Write a logic statement that corresponds with the following logic circuit.
400
Multitasking, multiprogramming, error handling, HCI, input and output control.
State 5 functions of an operating system.
500
American Standard Code for Information Interchange
What is the full form of ASCII?
500
161
Calculate the checksum for 1185?
500
-
Create the logic circuit and truth table for the following logic statement.
500
Controls the operation of the memory, processor and input/output devices.
What is the function of the control unit?






Computer Science Chapters 1-4

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