9618 AS Comp Sci Full Revision Set 1

Which prefix represents 1024 bytes?

• Kibi
• Kilo
• Mebi
• Mega

What is the binary representation of the decimal number 13?

• 1011
• 1101
• 1001
• 1110

What is the main difference between a bitmap image and a vector graphic?

• File size
• Image resolution
• Image encoding method
• Screen resolution

In a network, what is the primary function of a router?

• Connecting devices within a LAN
• Forwarding data packets between networks
• Preventing network collisions
• Providing wireless connectivity

What does RAM stand for?

• Random Access Memory
• Read Only Memory
• Rapid Access Memory
• Reliable Access Memory

Which logic gate outputs 1 only if both inputs are 0?

• NOR
• XOR
• NAND
• AND

What is the primary difference between SRAM and DRAM?

• Speed and stability
• Voltage requirements
• Storage capacity
• Physical size

In sound encoding, what does increasing the sampling rate do?

• Increases file size
• Decreases file size
• Increases sound quality
• Both A and C

What is a primary advantage of using lossless compression?

• Smaller file size
• No loss of data
• Better for images
• Better for sound files

Which network topology is the most fault-tolerant?

• Bus
• Star
• Mesh
• Hybrid