A Level - Computer Science - 13 - Exam Style Questions with Answers

Created on February 28, 2023 By

paruppts12

ALVL_GEN_CS_1_THRY_13

1 / 10

Stores the data that has just been read from memory, or is about to be written to memory

Stores the address of the memory location about to be written to or read from

Stores the address of the next instruction to be read

Stores the instruction that is being decoded and executed

2 / 10

The following statements describe features of a low-level language

A ........................................................... is an instruction that tells the assembler to do something. It is not a program instruction.

Data movement

Macro

Directive

3 / 10

Stores the address of the memory location about to be written to or read from

Stores the data that has just been read from memory, or is about to be written to memory

Stores the address of the next instruction to be read

Stores the instruction that is being decoded and executed

4 / 10

Aaron uses a desktop computer to do school work.

Aaron needs to store a large number of applications and data on his computer. He needs at least 50GB of secondary storage space. Identify one internal secondary storage device for Aaron’s computer.

solid-state drives (SSDs)

optical disks

floppy disks

USB flash drives

5 / 10

Complete the truth table for the logic expression:

X = (A AND C) OR (NOT A AND (B XOR C))

0 1 1 0 0 1 0 0

0 1 1 0 0 1 0 1

0 1 1 0 0 1 1 1

0 1 1 1 1 1 0 1

6 / 10

The bit depth of an image dictates how many different colours can be represented by each pixel. State the number of different colours that can be represented by a bit depth of 8 bits.

254

255

256

253

7 / 10

The following statements describe features of a low-level language

The processor’s instruction set can be put into several groups. One of these groups is ............................................................

Macro

Directive

Data movement

8 / 10

Stores the instruction that is being decoded and executed

Stores the data that has just been read from memory, or is about to be written to memory

Stores the address of the memory location about to be written to or read from

Stores the address of the next instruction to be read

9 / 10

Stores the instruction that is being decoded and executed

Stores the address of the next instruction to be read

Stores the data that has just been read from memory, or is about to be written to memory

Stores the address of the memory location about to be written to or read from

10 / 10

The following statements describe features of a low-level language

A ........................................................... is a sequence of instructions that are given an identifier. These instructions may need to be executed several times.

Data movement

Directive

Macro

Your score is

The average score is 70%

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